PACING GUIDE PHYSICS CYCLES 1 (Sept) LEARNER OUTCOMES INDICATORS OF LEARNING RESOURCES FOR DIFFERENTIATION Topic 1 Representing Motion Glencoe Physics- Chapter 2 Conceptual Physics- Chapter 2 Conceptual Physics- Ch 2 Safety plays an important role in scientific LAB – Constant Velocity Toy Car Glencoe TeacherWorks work and in the physics laboratory. Describe a frame of reference. Describe how a particle model is used to represent a moving object in motion diagrams. Describe the meaning of uniform motion. Demonstrate the ability to calculate speed and to solve an equation involving speed, distance, and time for an object in uniform motion. Define coordinate systems for motion problems and recognize that the chosen coordinate system affects the sign of an object’s position. Distinguish between a vector and a scalar. Determine a time interval for an object’s motion. Distinguish displacement from distance. Draw motion diagrams and use them to answer questions about an object’s position and displacement. Create position-time graphs for moving objects and use these graphs to determine an object’s position and displacement. Define velocity and differentiate between speed and velocity. Define average velocity and demonstrate the ability to calculate it. Recognize that average velocity is the slope of a position-time graph for an object’s motion. Distinguish between average speed and average velocity. Distinguish instantaneous velocity from average velocity. Measure the velocity of a battery powered toy car using a motion detector. ---Glencoe Physics Probeware Lab 2-1 “How fast is it going?” ---Pasco Explorations in Physics “I Can’t Drive 55!” (See Resources For Differentiation) & Resources LAB – Motion Matching Analyze position-time graphs of a student’s motion matching for given positiontime graphs using motion detector. ---Vernier Physics with Calculators Exp 1 “Graph Matching” ---Pasco Explorations in Physics “Match Graph” (See Resources For Differentiation) Laptop Computers for: (1) (2) (3) (4) CALCULATION – Solve uniform motion (constant speed) problems using: v = d/t. CALCULATION – Determine average velocity from given data and from position-time graphs by calculating the slope. CD-ROM with chapter resources. Glencoe Interactive Chalkboard CD-ROM with multi-media resources and links to the physics web site: physicspp.com. Glencoe Answer Key Maker CD-ROM and Pro Testmaker CD-ROM. Internet Research Reports/Projects Power Point Presentations Experiments using USB connection with Pasco data collection probes. Graphical results shown with Pasco DataSudio software. LAB – It’s All Relative Pasco Explorations in Physics lab using motion sensor to investigate relative motion and frame of reference. LAB – Match Graph Pasco Explorations in Physics lab using motion sensor to analyze Position vs. Time. LAB – I Can’t Drive 55! Pasco Explorations in Physics lab to measure the velocity of a motorized cart. Significant Learner Outcomes are highlighted. Also, any Learner Outcome noted with a “(CT)” is a State of Connecticut Enrichment Science Content Standard for Physics. Page 1 of 17 PACING GUIDE PHYSICS CYCLES 2 (Oct) LEARNER OUTCOMES INDICATORS OF LEARNING RESOURCES FOR DIFFERENTIATION Topic 2 Accelerated Motion Glencoe Physics- Chapter 3 Conceptual Physics- Chapter 2 Conceptual Physics- Ch 2 Define acceleration and explain the units for ACTIVITY – Construct a cork Glencoe TeacherWorks acceleration. Relate velocity and acceleration to the motion of objects. Demonstrate an understanding of the meaning of positive and negative acceleration and recognize that when the velocity and acceleration of an object are in opposite directions, the object is slowing down. Define average acceleration and demonstrate the ability to calculate it. Create velocity-time graphs and recognize that the average acceleration of an object is the slope of its velocity-time graph. Distinguish between average and instantaneous acceleration. Interpret position-time graphs for motion with constant acceleration. Apply mathematical relationships among position, velocity, acceleration, and time to solve constant acceleration problems using an organized strategy. Define acceleration due to gravity and recognize its value near the surface of the earth. Describe the motion of an object in free-fall from rest and recognize that free-fall means falling under the action of the force of gravity and no other forces. Describe the motion of an object thrown straight up until it hits the ground under negligible air resistance. Determine the speed and distance fallen at any time for a free-falling object that is dropped from rest. accelerometer and use it to measure and calculate acceleration. LAB – Acceleration of a Falling Object Use a ticker-tape timing device to measure the acceleration due to gravity. ---Glencoe Physics Text Lab (Pages 76-77) “Acceleration Due to Gravity” CALCULATION – Determine average acceleration from given data and from velocity-time graphs by calculating the slope. CALCULATION – Solve constant acceleration problems with zero initial velocity using: v = at, d = 1/2at2, and v2 = 2ad. Also, solve free-fall problems where: a = -g = -9.8 m/s2. PROJECT – ROCKET Build model rockets and launch them. Calculate the velocity, acceleration, and the maximum height of the rocket. and Resources CD-ROM with chapter resources. Glencoe Interactive Chalkboard CD-ROM with multi-media resources and links to the physics web site: physicspp.com. Glencoe Answer Key Maker CD-ROM and Pro Testmaker CD-ROM. Laptop Computers for: (1) (2) (3) (4) Internet Research Reports/Projects Power Point Presentations Experiments using USB connection with Pasco data collection probes. Graphical results shown with Pasco DataSudio software. LAB – Pedal to the Metal Pasco Explorations in Physics lab investigating the acceleration of a cart on an inclined track using a motion sensor. LAB – How does a ball roll? Glencoe Physics Lab Manual ( Latest Ed.) Lab 3-1 uses a photogate and photogate timer to obtain the acceleration of a ball rolling down an incline. For accelerated learners: Solve constant acceleration problems with non-zero initial conditions. Significant Learner Outcomes are highlighted. Also, any Learner Outcome noted with a “(CT)” is a State of Connecticut Enrichment Science Content Standard for Physics. Page 2 of 17 PACING GUIDE PHYSICS CYCLES 3 (Nov) LEARNER OUTCOMES INDICATORS OF LEARNING RESOURCES FOR DIFFERENTIATION Topic 3 Forces in One Dimension Glencoe Physics- Chapter 4 Conceptual PhysicsChapters 4, 5, and 6 Conceptual Physics- Define force and distinguish between a ACTIVITY – Forces in an Elevator Glencoe TeacherWorks contact force and field force. Interpret free-body diagrams and understand the meaning of net force and equilibrium. Explain that when forces are balanced on an object no acceleration occurs which means that the object continues to move at a constant speed or stays at rest ( The law of inertia--Newton’s first law). (CT) Use F = ma to solve one-dimensional motion problems that involve constant forces (Newton’s second law). (CT) Describe how the weight of an object depends upon the acceleration due to gravity and the mass of the object. Differentiate between actual weight and apparent weight and explain the meaning of weightlessness. Explain that an object reaches terminal velocity when the drag force equals the force of gravity on the object. Demonstrate an understanding that when one object exerts a force on a second object, the second object always exerts a force of equal magnitude and in the opposite direction (Newton’s third law). (CT) Explain the tension in ropes and strings in terms of Newton’s third law. Define the normal force and determine the value of the normal force by applying Newton’s second law. Explain that Newton’s laws are not exact but provide very good approximations unless an object is moving close to the speed of light or is small enough that quantum effects are important. (CT) While standing on a bathroom scale a student measures and records his weight during an elevator’s acceleration, constant velocity, and deceleration. ---Glencoe Physics Text Lab (Pages 108-109) “Forces in an Elevator” Chapters 4, 5, and 6 and Resources LAB – Hooke’s Law Demonstrate skill in graphing and calculating slope of a straight line in order to determine the spring constant using force and elongation data. ---Conceptual Physics Lab Manual (written by Paul Robinson,3rd Ed.) Lab 43 “Stretch” LAB – Terminal Velocity Use motion detectors to measure the terminal velocity of falling coffee filters. ---Glencoe Physics Probeware Lab 4-1 “Terminal Velocity” CALCULATION -- Use Newton’s second law of motion (F = ma) to solve problems. CALCULATION -- Using SI units, determine the weight of an object given its mass and vice-versa. PROJECT– Balloon Rocket Racer Design a small car powered by a balloon and explain how the third law of motion describes its propulsion. CD-ROM with chapter resources. Glencoe Interactive Chalkboard CD-ROM with multi-media resources and links to the physics web site: physicspp.com. Glencoe Answer Key Maker CD-ROM and Pro Testmaker CD-ROM. Laptop Computers for: (1) (2) (3) (4) Internet Research Reports/Projects Power Point Presentations Experiments using USB connection with Pasco data collection probes. Graphical results shown with Pasco DataSudio software. LAB – Move it or …? Pasco Explorations in Physics lab investigating Newton’s first law (no net force) using a motion sensor. LAB – It’s Mass Affect Pasco Explorations in Physics lab investigating Newton’s second law (acceleration) using motion sensor. LAB – Tug-of-War Pasco Explorations in Physics lab investigating Newton’s third law (equal and opposite force) using force and motion sensors. For accelerated learners: CALCULATION - Use Newton’s second law to solve inclined plane problems with friction. Significant Learner Outcomes are highlighted. Also, any Learner Outcome noted with a “(CT)” is a State of Connecticut Enrichment Science Content Standard for Physics. Page 3 of 17 PACING GUIDE PHYSICS CYCLES 3 cont. (Nov) LEARNER OUTCOMES INDICATORS OF LEARNING RESOURCES FOR DIFFERENTIATION Topic 4 Forces in Two Dimensions Glencoe Physics- Chapter 5 Conceptual PhysicsChapters 4 and 5 Conceptual Physics- Evaluate the resultant or the sum of two or ACTIVITY - Vector Addition Use Glencoe TeacherWorks 4 (Dec) more vectors in two dimensions graphically. Determine the components of vectors. Solve for the sum of two or more vectors, algebraically, by adding the components of the vectors. Define the friction force and explain its cause. Distinguish between static and kinetic friction. Determine the coefficients of kinetic and static friction using the equations that model kinetic and static friction. Determine the force (equilibrant) that produces equilibrium when three forces act on an object. Analyze the motion of an object on an inclined plane with and without friction. graphical methods of vector addition (tip-to-tail and parallelogram) to add 2 or more vectors together. Sticks of different lengths may also be utilized as the actual vectors. ACTIVITY – Vector Treasure Hunt Students are to use a set of index cards with a distance and direction on each card (e.g. 12.5 m NORTH) in order to locate an unknown object somewhere in the school. The students are to make a map of the path from a given starting point to the unknown object using tip-to-tail vector addition. They are then to attempt to find the object. LAB – Force Table For two forces at some angle apart, determine the equilibrant and resultant force. Verify the results graphically. ---Glencoe Physics Lab Manual (1999 Ed.) Lab 4-1 “Addition of Vector Forces” A force table with spring scales or with pulleys and hanging masses can be used. An alternate method is to use two ring stands, cross support, spring scales and a standard mass. LAB – Slipping and Sliding CAPT Lab Utilize equipment from this standard lab in an upgrade to determine the kinetic and static friction force and associated coefficients of friction for a wood block sliding along various surfaces. Use horizontal and inclined surfaces. Chapters 4 and 5 and Resources CD-ROM with chapter resources. Glencoe Interactive Chalkboard CD-ROM with multi-media resources and links to the physics web site: physicspp.com. Glencoe Answer Key Maker CD-ROM and Pro Testmaker CD-ROM. Laptop Computers for: (1) (2) (3) (4) Internet Research Reports/Projects Power Point Presentations Experiments using USB connection with Pasco data collection probes. Graphical results shown with Pasco DataSudio software. LAB – Clutch… Pasco Explorations in Physics lab determining friction forces using a force sensor. For accelerated learners: Use component method of vector addition. Use law of cosines and law of sines in order to add vectors. Solve static equilibrium problems. Solve inclined plane problems with friction. LAB – Friction Force and Shoes (Alternate Lab to Slipping and Sliding ) Determine the kinetic and static friction force and associated coefficients of friction for different shoes/sneakers sliding against a surface such as wood. Use horizontal and inclined surfaces. Cont. Significant Learner Outcomes are highlighted. Also, any Learner Outcome noted with a “(CT)” is a State of Connecticut Enrichment Science Content Standard for Physics. Page 4 of 17 PACING GUIDE PHYSICS CYCLES LEARNER OUTCOMES INDICATORS OF LEARNING RESOURCES FOR DIFFERENTIATION CALCULATION – Solve vector practice problems using algebra and trigonometry. CALCULATION – Solve friction practice problems. CALCULATION – Solve problems involving inclined planes. Significant Learner Outcomes are highlighted. Also, any Learner Outcome noted with a “(CT)” is a State of Connecticut Enrichment Science Content Standard for Physics. Page 5 of 17 PACING GUIDE PHYSICS CYCLES 4 cont. (Dec) LEARNER OUTCOMES INDICATORS OF LEARNING RESOURCES FOR DIFFERENTIATION Topic 5 Motion in Two Dimensions Glencoe Physics- Chapter 6 Conceptual PhysicsChapters 3 and 9 Conceptual Physics- Recognize that the vertical and horizontal LAB – Projectile Motion With a steel Glencoe TeacherWorks 5 (Jan) motions of a projectile are independent. Relate the height, time in the air, and initial velocity of a projectile using its vertical motion, and then determine the range using the horizontal motion. Explain how the trajectory of the projectile depends upon the frame of reference from which it is observed. Describe the meaning of uniform circular motion. Explain why an object moving in a circle at constant speed is accelerated. Describe how centripetal acceleration depends upon the object’s speed and the radius of the circle. Explain that a force applied to an object perpendicular to the direction of its motion causes the object to change direction but not speed. (CT) Describe how circular motion requires the application of a constant force directed toward the center of the circle. (CT) Identify the forces that cause centripetal acceleration. Explain the meaning of the centrifugal force and why it is called a fictitious force. ball rolling down a ramp and off a table, measure the landing spot and compare with calculated location. Use stop watch or photogate timing devices with CBL and calculator to determine horizontal launch velocity. ---Glencoe Physics Lab Manual (1999 Ed.) Lab 7-2 “Range of a Projectile” Chapters 3 and 9 and Resources LAB – Centripetal Force A rubber stopper is tied to a string that is fed through a PVC tube. The stopper is twirled with a weight hanging off the other end of the string. The stopper is rotated at such a rate that the string does not move up or down in the tube. From known weight, radius of twirled string, and speed of rotation, the mass of the stopper can be determined. ---Setup is similar to that shown in Glencoe Physics Lab Manual (Latest Ed.) Lab 6-1 “What keeps the stopper moving in a circle?” using free hanging weights in place of the attached spring scale. CALCULATION – Determine the range, time of flight, and maximum height for a projectile given an initial velocity at a specified angle. CALCULATION – Determine the centripetal acceleration and centripetal force acting on objects moving in a circular path or arc. Use the equations ac = v2/r and Fc = mv2/r. CD-ROM with chapter resources. Glencoe Interactive Chalkboard CD-ROM with multi-media resources and links to the physics web site: physicspp.com. Glencoe Answer Key Maker CD-ROM and Pro Testmaker CD-ROM. Laptop Computers for: (1) (2) (3) (4) Internet Research Reports/Projects Power Point Presentations Experiments using USB connection with Pasco data collection probes. Graphical results shown with Pasco DataSudio software. LAB – Up and Over Pasco Explorations in Physics lab analyzing projectile motion using the Pasco time of flight accessory unit. LAB- What goes around comes around Pasco Explorations in Physics lab using a force sensor to analyze circular motion. PROJECT – Projectile Launcher Design a projectile launcher that will hit a target a known distance away such as 3-5 meters. PROJECT – Paper Catapult (Alternate Projectile Project) Research the internet for paper catapult designs. Build a working catapult out of paper that can be used with grapes, pennies, etc. Significant Learner Outcomes are highlighted. Also, any Learner Outcome noted with a “(CT)” is a State of Connecticut Enrichment Science Content Standard for Physics. Page 6 of 17 PACING GUIDE PHYSICS CYCLES 5 (Jan) LEARNER OUTCOMES INDICATORS OF LEARNING RESOURCES FOR DIFFERENTIATION Topic 6 Gravitation Glencoe Physics- Chapter 7 Conceptual PhysicsChapters 12, 13, and 14 Conceptual Physics- List Kepler’s three laws and explain them. Describe how the gravitational force is ACTIVITY – Elliptical Motion Using Glencoe TeacherWorks proportional to the masses of two spherical bodies and is inversely proportional to the square of the distance between their centers (law of universal gravitation). Relate Kepler’s laws to the law of universal gravitation. Describe the importance of Cavendish’s experiment to measure G. Solve orbital motion problems in order to determine orbital periods, radius, and speeds. Relate weightlessness to objects in free fall. Describe gravitational fields. Compare inertial and gravitational mass. Describe Einstein’s theory of gravity. two push pins, string, pencil, and cardboard students will draw an ellipse and use it to explain Kepler’s laws. ---Glencoe Physics Text Lab (Pages 186-187) “Modeling the Orbits of Planets and Satellites” Chapters 12, 13, 14 and Resources CONSTRUCTED RESPONSE – Explain the following: ---“Weighing the Earth” Experiment ---Apparent weightlessness ---Inertial and gravitational mass ---Einstein’s theory of gravity (discuss curvature of space-time continuum). CALCULATION – Use Newton’s law of universal gravitation F = G m1m2/d2 to calculate the gravitational force between two specified masses located at some distance from one another. CALCULATION – Calculate the orbital periods, radius and speeds of objects in circular orbits. PROJECT – Design a planet. Define its location, mass, orbital speed, period, etc. CD-ROM with chapter resources. Glencoe Interactive Chalkboard CD-ROM with multi-media resources and links to the physics web site: physicspp.com. Glencoe Answer Key Maker CD-ROM and Pro Testmaker CD-ROM. Laptop Computers for: (1) (2) (3) (4) Internet Research Reports/Projects Power Point Presentations Experiments using USB connection with Pasco data collection probes. Graphical results shown with Pasco DataSudio software. LAB – How can you measure mass? Glencoe Physics Lab Manual (Latest Ed.) Lab 7-2 Measure the inertial mass of an unknown object from its period of vibration on an inertial balance using a calibration graph for the inertial balance prepared with known masses. Significant Learner Outcomes are highlighted. Also, any Learner Outcome noted with a “(CT)” is a State of Connecticut Enrichment Science Content Standard for Physics. Page 7 of 17 PACING GUIDE PHYSICS CYCLES 6 (Feb) LEARNER OUTCOMES INDICATORS OF LEARNING RESOURCES FOR DIFFERENTIATION Topic 7 Rotational Motion Glencoe Physics- Chapter 8 Conceptual PhysicsChapters 10 and 11 Conceptual Physics- Describe angular displacement, angular ACTIVITY – Sensing Torque A Glencoe TeacherWorks velocity, and angular acceleration. Describe torque and the factors that determine it. Calculate net torque. Calculate the moment of inertia (rotational inertia.) Describe Newton’s second law for rotational motion. Define center of mass. Explain how the location of the center of mass affects the stability of an object. Define the conditions for equilibrium. Describe how rotating frames of reference give rise to apparent forces called the centrifugal force and Coriolis force. meter stick is held at one end using one hand. The meter stick is tipped up and down while a 500 g or 1 kg mass (the weight) is moved to different locations. Students are to explain why it is harder to move the meter stick when the mass is farther away from the hand (fulcrum). --- Conceptual Physics Lab Manual (written by Paul Robinson,3rd Ed.) Lab 32 “Torque Feeler” LAB – Scaffolding Torque and Equilibrium A meter stick, spring scales, and weights are used to model scaffolding in order to analyze torque under equilibrium conditions where the sum of the clockwise torques equals the sum of the counterclockwise torques. ---Glencoe Physics Text Lab (Pages 218-219) “Translational and Rotational Equilibrium” ---Glencoe Physics Lab Manual (Latest Ed.) Lab 8-1 “Torques” CONSTRUCTED RESPONSE – Choose a particular spinning or rotating object (automobile tire, CD, the Earth, etc. ) and describe its angular displacement, angular velocity, and angular acceleration using proper units. Chapters 10 and 11 and Resources CD-ROM with chapter resources. Glencoe Interactive Chalkboard CD-ROM with multi-media resources and links to the physics web site: physicspp.com. Glencoe Answer Key Maker CD-ROM and Pro Testmaker CD-ROM. Laptop Computers for: (1) (2) (3) (4) Internet Research Reports/Projects Power Point Presentations Experiments using USB connection with Pasco data collection probes. Graphical results shown with Pasco DataSudio software. For accelerated learners: CALCULATION – Solve problems involving angular velocity and angular acceleration. CALCULATION – Solve rotational motion problems. CONSTRUCTED RESPONSE – Discuss how forces are necessary to cause an object to accelerate in linear motion, while torques are needed to cause objects to rotate (experience angular acceleration). Also, describe the rotational equivalent for mass. Provide an example to illustrate a particular torque causing the rotation of some object. CALCULATION – Determine the moment of inertia for various objects. CALCULATION – Solve equilibrium torque problems. Significant Learner Outcomes are highlighted. Also, any Learner Outcome noted with a “(CT)” is a State of Connecticut Enrichment Science Content Standard for Physics. Page 8 of 17 PACING GUIDE PHYSICS CYCLES 6 cont. (Feb) LEARNER OUTCOMES RESOURCES FOR DIFFERENTIATION Topic 8 Momentum and its Conservation Glencoe Physics- Chapter 9 Conceptual PhysicsChapters 7 and 11 Conceptual Physics- Define the momentum of an object. Calculate momentum (represented by the LAB – Elastic and Inelastic Glencoe TeacherWorks letter p) using p = mv. (CT) Explain that momentum is a separately 7 INDICATORS OF LEARNING (Mar) conserved quantity different from energy. (CT) Determine the impulse given to an object. Discuss how an unbalanced force acting on an object over an interval of time produces a change in its momentum (Ft = mv). (CT) Explain the angular impulse-angular momentum theorem. State the law of conservation of momentum and recognize the conditions under which momentum is conserved. Relate Newton’s third law to conservation of momentum. Solve non-collision type problems using the law of conservation of momentum. Explain how the principles of conservation of momentum and energy can be used to solve problems involving elastic and inelastic collisions in one dimension. (CT) Explain how momentum is conserved in twodimensional collisions. Define the angular momentum of an object. Explain the law of conservation of angular momentum. Collisions Use air track and gliders to analyze collisions. A dynamics cart track and low-friction dynamics carts can also be used. ---Vernier Physics with Calculators Exp. 19 “Momentum, Energy and Collisions” ---Conceptual Physics Probeware Lab Manual Pasco Lab 6 “An Urge to Conserve” CONSTRUCTED RESPONSE – Use the impulse-momentum theorem, Ft = mv, to explain how air bags in cars decrease the impact force. Use the same theorem to explain the purpose of the front-end crumple zones in cars. CONSTRUCTED RESPONSE – Explain how momentum is conserved when a fire-cracker explodes or for objects in two-dimensional collisions. CONSTRUCTED RESPONSE - Use the angular impulse-angular momentum theorem to explain how an ice-skater uses an external torque to begin spinning. Also, explain using conservation of angular momentum how the ice-skater can change the rate of rotation. CALCULATION – Solve problems using p = mv and Ft = mv. CALCULATION – Solve sample problems using conservation of momentum for non-collision and collision-type problems. PROJECT – Single Egg Drop Design a container out of 30 plastic straws and 1 m of masking tape that will enable one egg to be dropped from a height of 6 feet without breaking. Explain how the container prevents the egg from breaking using the impulsemomentum theorem. Cont. Chapters 7 and 11 and Resources CD-ROM with chapter resources. Glencoe Interactive Chalkboard CD-ROM with multi-media resources and links to the physics web site: physicspp.com. Glencoe Answer Key Maker CD-ROM and Pro Testmaker CD-ROM. Laptop Computers for: (1) (2) (3) (4) Internet Research Reports/Projects Power Point Presentations Experiments using USB connection with Pasco data collection probes. Graphical results shown with Pasco DataSudio software. LAB – Momentum is a Momentous Phenomenon Pasco Explorations in Physics lab using motion sensors to investigate conservation of momentum. LAB – Don’t be so impulsive… you locomotive! Pasco Explorations in Physics lab using force and motion sensors to investigate impulse and change in momentum. LAB – What can set you spinning? Glencoe Physics Lab Manual (Latest Ed.) Lab 9-1 uses a gyroscopic bicycle wheel and rotating stool or platform to observe torque and apply the law of conservation of angular momentum. Cont. Significant Learner Outcomes are highlighted. Also, any Learner Outcome noted with a “(CT)” is a State of Connecticut Enrichment Science Content Standard for Physics. Page 9 of 17 PACING GUIDE PHYSICS CYCLES LEARNER OUTCOMES INDICATORS OF LEARNING PROJECT – Students are to design a cart with an egg as a passenger in some kind of holder that will enable the egg not to break when the car rolls down an incline and hits an object. (This is an alternate project to the single egg drop above.) PROJECT – Dozen Egg Drop Students in groups will design a container holding a dozen eggs that will enable the eggs to survive without breaking when dropped from a second story window to the ground. Include engineering considerations of size, weight, and cost. PROJECT – Newtonian RESOURCES FOR DIFFERENTIATION For accelerated learners: CALCULATION – Solve two-dimensional collision problems. SIMULATION – Use simulations to analyze various collisions. (Logal Software: Interactive Journey through Physics or equiv.) Research Paper – Prepare a paper and presentation on one of the following topics: ---Operation of spinning tops and gyroscopes. ---How flywheels can be used to power vehicles. Demonstrator (Collision Balls) Design and construct a Newtonian demonstrator. Explain its operation using conservation of momentum and conservation of kinetic energy. Significant Learner Outcomes are highlighted. Also, any Learner Outcome noted with a “(CT)” is a State of Connecticut Enrichment Science Content Standard for Physics. Page 10 of 17 PACING GUIDE PHYSICS CYCLES 7 cont. (Mar) LEARNER OUTCOMES Topic 9 Energy, Work, and Simple Machines Glencoe Physics- Chapter 10 Conceptual Physics- Chapter 8 Distinguish between the scientific and ACTIVITY – Stair Climbing 8 (Apr) INDICATORS OF LEARNING ordinary meaning of work. Display an understanding that scientific work is energy transferred to or from an object by means of a force acting on the object. Identify the force that results in work. Demonstrate the ability to calculate the work done by a constant force. Display an understanding of the workenergy theorem (W = KE) and that it only applies if the force acting on an object changes only the kinetic energy of the object and no other energy of the object. Calculate the work done by a variable force. Differentiate between work and power, and calculate the power used. Demonstrate the understanding that simple machines do not increase the amount of work. Describe why simple machines are useful and recognize the six basic simple machines. Distinguish between the ideal and actual mechanical advantage of a machine and use these concepts correctly in solving problems. Recognize that compound machines are simple machines linked together. Demonstrate the ability to calculate the efficiency of simple or compound machines as (1) the ratio of the output work to the input work or as (2) the ratio of the AMA to the IMA. RESOURCES FOR DIFFERENTIATION Conceptual PhysicsChapter 8 and Resources Glencoe TeacherWorks Horsepower Determine individual student horsepower for running and/or walking up two flights of stairs. ---Glencoe Physics Text Lab (Pages 274-275) “Stair Climbing and Power” LAB – Simple Machines Have stations set up in the laboratory with the simple machine systems noted below. Students are to make measurements and analyze these systems. ---Inclined Plane: Low and High Friction ---Pulleys ---Wheel and Axle System ---Gear System ---Levers CONSTRUCTED RESPONSE – Students are to note the simple machines that are used in their specific shop and explain how they are used. CALCULATION – Solve sample problems for the work done by a force. CALCULATION – Solve problems involving kinetic energy and work. CALCULATION – Solve sample problems for power in English and metric units (Watts and Horsepower). CALCULATION – Determine the ideal and actual mechanical advantage and efficiency of various machines. PROJECT – Paper Mechanism Construct mechanisms using stiff paper strips, paper circles and metal fasteners. Explain what the model represents, analyze the simple machines used, and compute the ideal mechanical advantage. (Students should also be given the option of using real simple machines.) CD-ROM with chapter resources. Glencoe Interactive Chalkboard CD-ROM with multi-media resources and links to the physics web site: physicspp.com. Glencoe Answer Key Maker CD-ROM and Pro Testmaker CD-ROM. Laptop Computers for: (1) (2) (3) (4) Internet Research Reports/Projects Power Point Presentations Experiments using USB connection with Pasco data collection probes. Graphical results shown with Pasco DataSudio software. LAB – How can pulleys help you lift? Glencoe Physics Lab Manual (Latest Ed.) Lab 10-1 uses single and double pulleys with spring scales to investigate mechanical advantage and efficiency. PROJECT - Design a mousetrap powered car. It can include gears. Evaluation will be based on construction, operation, and maximum distance traveled. For accelerated learners: CALCULATION Determine the work done due to forces acting at various angles. Cont. Significant Learner Outcomes are highlighted. Also, any Learner Outcome noted with a “(CT)” is a State of Connecticut Enrichment Science Content Standard for Physics. Page 11 of 17 PACING GUIDE PHYSICS CYCLES LEARNER OUTCOMES INDICATORS OF LEARNING RESOURCES FOR DIFFERENTIATION PROJECT – Toy Design Design a toy that uses at least one simple machine. PROJECT – Pulley System Design a system that will allow a 200 lb weight to be pulled up easily by one person for a vertical distance represented by the height of a typical classroom. Significant Learner Outcomes are highlighted. Also, any Learner Outcome noted with a “(CT)” is a State of Connecticut Enrichment Science Content Standard for Physics. Page 12 of 17 PACING GUIDE PHYSICS CYCLES 8 cont (Apr) LEARNER OUTCOMES Topic 10 Energy and its Conservation INDICATORS OF LEARNING Glencoe Physics- Chapter 11 Conceptual Physics- Chapter 8 RESOURCES FOR DIFFERENTIATION Conceptual PhysicsChapter 8 and Resources Glencoe TeacherWorks Calculate kinetic energy using the formula 2 KE = (1/2)mv . (CT) Calculate the changes in gravitational potential energy near Earth using the formula PE = mgh where PE is the change in potential energy. (CT) Identify how elastic potential energy is stored. Define the mechanical energy of a system. Explain the law of conservation of mechanical energy and solve problems using this law. Explain how mechanical energy is “lost.” Analyze collisions to find the change in kinetic energy. LAB – Pendulum Analyze the energy conversions in a pendulum. --- Conceptual Physics Lab Manual (written by Paul Robinson,3rd Ed.) Lab 24 “Conserving Your Energy” LAB – Bouncing Ball Analyze the energy conversions in a bouncing ball using motion detectors. (This is an alternate lab to the Pendulum lab.) ---Glencoe Physics Text Launch Lab (Pages 284-285) “How can you analyze the energy of a bouncing basketball?” CALCULATION – Solve sample problems using the following equations KE = (1/2)mv2 and PE = mgh and the law of conservation of mechanical energy. CD-ROM with chapter resources. Glencoe Interactive Chalkboard CD-ROM with multi-media resources and links to the physics web site: physicspp.com. Glencoe Answer Key Maker CD-ROM and Pro Testmaker CD-ROM. Laptop Computers for: (1) (2) (3) (4) Internet Research Reports/Projects Power Point Presentations Experiments using USB connection with Pasco data collection probes. Graphical results shown with Pasco DataSudio software. PROJECT – Roller coaster Construct a roller coaster so that a marble rolling down the coaster will slow down sufficiently so as not to break an egg located at the end. The initial potential energy needs to be determined as well as the kinetic energy at some further point. A photogate timer can be used to measure the velocity of the marble. A report detailing the design and results of the project is required. LAB – What goes up…When it comes down? Pasco Explorations in Physics lab using a motion sensor to investigate conservation of energy. LAB – Energy of a Tossed Ball Vernier Physics with Calculators Exp. 16 uses a motion detector with CBL and graphing calculator to determine kinetic and potential energy. LAB – Maximum GPE Conceptual Physics Probeware Lab Manual Pasco Lab 9 investigates the conversion of energy and compares motor and generator efficiency using voltage and current sensors. PROJECT – Design a boat powered only by mechanical potential energy. Significant Learner Outcomes are highlighted. Also, any Learner Outcome noted with a “(CT)” is a State of Connecticut Enrichment Science Content Standard for Physics. Page 13 of 17 PACING GUIDE PHYSICS CYCLES 9 (May) LEARNER OUTCOMES INDICATORS OF LEARNING RESOURCES FOR DIFFERENTIATION Topic 11 Thermal Energy Glencoe Physics- Chapter 12 Conceptual PhysicsChapters 21, 22, 23 and 24 Conceptual Physics- Describe how the internal energy of an LAB – Specific Heat Find the specific Glencoe TeacherWorks object includes the energy of random motion of the object’s atoms and molecules, often referred to as thermal energy. The greater the temperature of the object, the greater the energy of motion of the atoms and molecules that make up the object (CT) Distinguish temperature from thermal energy. Describe the process of reaching equilibrium and its application to the measurement of temperature. Describe the Celsius and Kelvin temperature scales and demonstrate the ability to convert between Celsius and Kelvin. Describe the three forms of thermal energy transfer: conduction, convection, and radiation. Display an understanding of specific heat and be able to use it to calculate heat transfer with the equation: Q = mC(Tf - Ti) where C is the specific heat of a substance. Explain the application of conservation of energy to heat transfer. Define heats of fusion and vaporization. Describe how heat flow and work are two forms of energy transfer between systems. (CT) Explain that the work done by a heat engine that is working in a cycle is the difference between the heat flow into the engine at high temperature and the heat flow out at a lower temperature (first law of thermodynamics and an example of the law of conservation of energy). (CT) Define a heat engine, refrigerator, and heat pump. Explain how most processes tend to decrease the order of a system over time and that energy levels are eventually distributed uniformly. (CT) Demonstrate an understanding that entropy is a quantity that measures the order or disorder of a system and that this quantity is larger for a more disordered system. (CT) Explain that the statement “Entropy tends to increase.” is a law of statistical probability that governs all closed systems (second law of thermodynamics). (CT) heat of various metals. Use a hot plate to heat water. The calorimeter can be constructed from two Styrofoam cups. ---Glencoe Physics Lab Manual (1999 Ed.) Lab 12-1 “Specific Heat” of metals using a calorimeter, temperature probe, CBL unit and graphing calculator. Chapters 21, 22, 23, 24 and Resources LAB - Heat of Fusion How much energy does it take to melt ice? ---Glencoe Physics Lab Manual (Latest Ed.) Lab 12-1 “How much energy does it take to melt ice?” ---Conceptual Physics Probeware Lab Manual Pasco Lab 12 “A Nice Change of Phase” CONSTRUCTED RESPONSE – Explain what kind of heat conductivity is desirable for the following and why: ---An automobile radiator. ---A metal window sash. ---A soldering iron. ---A water-heater coil. ---A baseboard radiator. ---Home insulation. ---A styrofoam cooler. CONSTRUCTED RESPONSE – Discuss the difference between an insulating material that is packed firmly and one that is packed loosely. What does the “R” value mean. Also, how does an insulating glass, such as Thermopane, get its insulating qualities? CALCULATION – Calculate heat added or removed using the temperature change of a known mass. PROJECT - Design and construct a sample piece of wall using insulation materials in order to provide the best insulation. Also, provide measured data as evidence. Cont. CD-ROM with chapter resources. Glencoe Interactive Chalkboard CD-ROM with multi-media resources and links to the physics web site: physicspp.com. Glencoe Answer Key Maker CD-ROM and Pro Testmaker CD-ROM. Laptop Computers for: (1) (2) (3) (4) Internet Research Reports/Projects Power Point Presentations Experiments using USB connection with Pasco data collection probes. Graphical results shown with Pasco DataSudio software. LAB – You Look Radiant Pasco Explorations in Physics lab using temperature sensors to determine transfer of energy. LAB – Conduction, Convection, and Radiation: It’s All Heat Transfer Conceptual Physics Probeware Lab Manual Pasco Lab 10 using temperature sensors. LAB – A Watched Pot Never Boils Conceptual Physics Probeware Lab Manual Pasco Lab 11 using temperature sensors to measure the temperature of boiling water, steam, and condensing water vapor. Cont. Significant Learner Outcomes are highlighted. Also, any Learner Outcome noted with a “(CT)” is a State of Connecticut Enrichment Science Content Standard for Physics. Page 14 of 17 PACING GUIDE PHYSICS CYCLES LEARNER OUTCOMES INDICATORS OF LEARNING PROJECT – Heat Loss and Insulation Investigate how heat is lost through different coffee containers used by various restaurants. Use an identical amount of hot water in each and record time and temperature data. Make a graph of time vs. temperature. Analyze results and prepare a conclusion. Also, investigate what effect using a container top would have on the rate of cooling. RESOURCES FOR DIFFERENTIATION LAB – How efficient are solar collectors? Glencoe Physics Probeware Lab 121 Design and build a simple solar collector. Use a temperature probe with CBL and graphing calculator to measure heat collected by various cover materials. PROJECT – Design and construct a simple solar water heater and prepare a short report detailing its design and principles of operation. Significant Learner Outcomes are highlighted. Also, any Learner Outcome noted with a “(CT)” is a State of Connecticut Enrichment Science Content Standard for Physics. Page 15 of 17 PACING GUIDE PHYSICS CYCLES 10 (June) LEARNER OUTCOMES INDICATORS OF LEARNING RESOURCES FOR DIFFERENTIATION Topic 12 States of Matter Glencoe Physics- Chapter 13 Conceptual PhysicsChapters 17, 18, 19, 20 and 23 Conceptual Physics- Demonstrate an understanding of the ACTIVITY – Pressure Exerted by a Glencoe TeacherWorks concept of pressure and the meaning of the SI unit for pressure, the pascal. Show the ability to calculate pressure. Describe how fluids create pressure. Demonstrate an understanding of Boyle’s law, Charles’s law and the combined gas law. Explain the meaning of the ideal gas law. Explain how thermal expansion occurs in fluids and give examples. Plasmas, the fourth state of matter, contain ions or free electrons or both and conduct electricity. (CT) Compare gases and plasma and give examples of plasmas in nature. Explain how cohesive forces cause surface tension. Describe the meaning of viscosity. Explain how adhesive forces cause capillary action. Discuss evaporative cooling and the role of condensation in cloud formation. Describe Pascal’s principle and its application in various machines. Define density and be able to calculate it. Show the ability to calculate the pressure of a fluid on an object submerged in the fluid at any depth. Show an understanding of Archimedes’ principle and demonstrate the ability to calculate the buoyant force. Demonstrate an understanding of Bernoulli’s principle to airflow and provide some common applications of it. Relate the properties of solids to their structures. Explain why solids expand and contract when the temperature changes. Explain the importance of thermal expansion give examples of some applications. Human Foot Trace the outline of one shoe and determine its area. Graph paper may be used. Determine pressure using the area and one-half of the student’s weight. ---Glencoe Physics Text Mini Lab (Page 345) “Pressure” Chapters 17, 18, 19, 20 and Resources ACTIVITY – Archimedes Principle Using a spring scale, determine the buoyant force on various objects immersed in water. ---Glencoe Physics Lab Manual (Latest Ed.) Lab 13-1 “Why does a rock feel lighter in water?” CONSTRUCTED RESPONSE – Provide explanations for the following: ---What is the purpose of a safety valve on a steam boiler? ---What is a pressure cooker and how does it work? ---What effect does pressure have on a refrigerant? ---Why shouldn’t containers with volatile substances be stored in hot areas and how can this problem be overcome? CONSTRUCTED RESPONSE – Provide explanations for the following: ---What effect does temperature have when making measurements with a steel tape measure? ---What effect does temperature have on steel or aluminum siding? What precautions should be taken? ---What effect does temperature have on plastic water pipe, such as PVC? What installation precautions should be taken? ---Why is Pyrex glass used for cooking or baking while ordinary glass is not? ---Explain why flexible silicone is now being used for bake ware. CONSTRUCTED RESPONSE – CD-ROM with chapter resources. Glencoe Interactive Chalkboard CD-ROM with multi-media resources and links to the physics web site: physicspp.com. Glencoe Answer Key Maker CD-ROM and Pro Testmaker CD-ROM. Laptop Computers for: (1) (2) (3) (4) Internet Research Reports/Projects Power Point Presentations Experiments using USB connection with Pasco data collection probes. Graphical results shown with Pasco DataSudio software. LAB – You Lucky Ducky Pasco Explorations in Physics lab using force sensor to investigate Archimedes’ principle. LAB – Why do your ears hurt under water? Glencoe Physics Lab Manual (Latest Ed.) Lab 13-2 LAB – Evaporative Cooling Glencoe Physics Text Lab (Page 364-365) that compares the rates of evaporation of various liquids. PROJECT – Design and build a simple U-Tube Manometer and use it to measure pressure. Explain how a bi-metallic strip in a thermostat operates. Cont. Cont. Significant Learner Outcomes are highlighted. Also, any Learner Outcome noted with a “(CT)” is a State of Connecticut Enrichment Science Content Standard for Physics. Page 16 of 17 PACING GUIDE PHYSICS CYCLES LEARNER OUTCOMES INDICATORS OF LEARNING RESOURCES FOR DIFFERENTIATION CALCULATION - Calculate pressure For accelerated learners: CALCULATION – Determine the expansion of solids. with given conditions of force and area. CALCULATION – Show the ability to calculate density. Use density to determine pressure that a fluid exerts on a submerged object at any depth. CALCULATION - Solve problems related to the buoyant force. Significant Learner Outcomes are highlighted. Also, any Learner Outcome noted with a “(CT)” is a State of Connecticut Enrichment Science Content Standard for Physics. Page 17 of 17