Physics Energy and Motion Honors (832) Science: Grade 11-12 National Standards Learning Standard # 1 Students will apply fundamental mathematics used in Physical Concepts Learning Standard # 2 Students will explain vector and scalar quantities. Objectives Demonstrate proper use of scientific notation and significant digits. Demonstrate knowledge of standard and fundamental of measurements. Explain the use of trigonometry and graphing in Physics Distinguish the difference between vector and scalars. Add vectors graphically. Add vectors using mathematics. Resources Time Allotment WHRHS Student Expectations Textbook Chapter 2 with questions/problems within. Worksheets – Ch. 2. Laboratory # 1. 1-2 days 1,2 Standard Deviants Video – “Scalars”. Ch. 2 Section 2.11 – 2.12. Mechanical Universe Video “Vectors”. Videodisks “Fundamental Concepts in Physics – Vectors, scalars.” Worksheet – Graphical addition of Vectors. 3-4 days 2,3,5 Learning Standard # 3 Students will investigate the motion of physical bodies Learning Standard # 4 Students will investigate objects experiencing “Freefall” Learning Standard # 5 Describe physical dynamics in the natural world. Learning Standard # 6 Explain the effects of the law of universal gravitation and calculate its effect on masses. Learning Standard # 7 Forces are all Vector quantities that cause changes in motion. Learning Standard # 8 Demonstrate that Forces acting at a distance from a point of rotation cause rotational motion. (torques) Learning Standard # 9 Explore and explain that in a closed isolated system energy is conserved. Explain the difference between speed and velocity. Distinguish the difference between Velocity and acceleration. Graphically represent and interpret distance - time, velocity – time, and acceleration and time. Understand that gravity causes objects to accelerate towards earth’s center. Solve acceleration problems using value g. Explain terminal velocity and factors affecting it. Analyze projectile motion. Explain physical dynamics in terms of Newton's Laws of Motion. Distinguish between weight and mass. Calculate the forces between any objects at given distances. Analyze situations involving two or more forces. Determining frictional factors. Measuring and changing friction. Calculate the torque caused by forces on a pivoting platform. Find the “equilibrant torque” needed by a system for equilibrium in a multi-force situation. Find the kinetic energy of an object. Find the Potential energy of an object. Calculate the total energy of a gravitational system. Find Kinetic and Potential energies of objects in the system at various at selected points. Demonstrate that the total energy of the Textbook chapter 3 section 3.1 – 3.6 with questions/problems within. Pasco Labs – Position – time, and Velocity – time. Match the Graph Lab. Worksheets – Ch 3 – Sections 3.1 – 3.6. Bowling Ball lab. Interactive Lecture Demos – “Human Motion”, “Velocity”, “Acceleration”. Textbook Ch 3 Section 3.7. Mechanical Universe Video “Freefall”. Videodisks – freefall demos. Cambridge Physics Outlet lab “Gravity Drop”. Pasco Lab – Ballistic Cart. Projectile lab. 8-10 days 3,2,5 12-14 days 2,3,5 Newton’s Laws Demos – coin/cup, hammer/hand, hoop/bottle/chalk. Mechanical Universe – Newton’s Laws. Ch 3 Sect 3.8 –3.10 with questions/problems contained within. Bowling ball vs. tennis ball demo. Pasco labs – force, acceleration. Lab #4. 12-14 days 2,3,5 Chapter 3 Sect 3.11 – 3.14 “Most Attractive Faculty Member” discussion. Mass of earth. Questions/Problems contained in chapter. Worksheets Ch 3 sect 3.11- 3.14. Mechanical Universe video – “Apple and the Moon” Chapter 4 Sections 4.1 –4.9 with questions and problems contained within. Worksheets Ch 4 sections 4.1- 4.9. Pasco lab – “changing friction”, Lab # 7 “Friction”, Pasco – “Force and Acceleration Lab” Chapter 4 Section 4.10 – 4.13 with questions and problems contained within. Torque worksheet. Mobile project. Meter stick “torque feeler” demo. Mechanical Universe video “Torques”. Simple machines. Chapter 6 Sections 6.7-6.11 with questions and problems contained within. Worksheets Ch 6 Section 6.7 – 6.11. Video – Mechanical Universe “Energy”. 2-3 days 2,3,5 3-4 days 2,3,5 2-3 days 2,3,5,4 3-4 days 2,3,5 system remains constant. Learning Standard # 10 Explore and explain that momentum is conserved. Learning Standard # 11 Students will investigate that work is equal to the change in energy of a system. Learning Standard # 12 Students will explain the movement of heat, and thermal expansion of solids and liquids. Learning Standard # 13 Students will investigate Einstein’s Theory of Special Relativity Learning Standard # 14 Students will Solve the equations for Length Contraction, Relativistic Momentum. Calculate the momentum of an object. Differentiate between elastic and inelastic collisions. Demonstrate that total momentum is conserved in both cases. Find momentum in a multi-object system. Calculate the impulse needed to alter momentum. Define work = force x distance, or the change in energy of a system. Define power (work/time). Relate heat and temperature. Define thermal expansion. Calculate the amount of thermal expansion for various materials. Explain heat capacity, specific heat values. Define the first and second postulates of Special relativity Solve example problems Chapter 6 Sections 6.12 – 6.16 with questions and problems contained within. Mechanical Universe video – “Momentum”. Pasco demo – Conservation of Momentum. Egg in sheet demo. 3-4 days 2,3,5 Chapter 6 Sections 6.1 – 6.6 with questions and problems contained within. Worksheets Section 6.1 – 6.6. Horsepower lab. Demo – ball and ring, bimetallic strips (thermostats). Chapter 8 sections 8.18.8,8.11-8.13 with questions and problems contained within. Worksheets Same sections. Lab – heat capacity of water. Lab – Specific Heats. Mechanical Universe Video – “Beyond the Mechanical Universe”. Conceptual Physics Book, worksheets and other ancillary materials. Lab “Relativity”. Solve the “twins paradox” 2-3 days 2,3,5 6-8 days 2,3,5 3-4 days 2,3,5 Conceptual Physics Chapter 16, problems at end of chapter. Worksheet “Dilation Problems”, Video “Time Dilation” 3-4 days