Science Course: AP Physics 1 Units: 1. Electrostatics 2. Simple Circuits College Board Guiding Learning Questions/ Objectives Specificity Sample Assessment Designated six weeks: Fifth Six Weeks Days to teach: Unit 1: 12-15 days Unit 2: 12-15 days Vocabulary Instructional Strategies Resources and Weblinks Big Idea 1: Objects and systems have properties such as mass and charge. Systems may have internal structure. Big Idea 3: The interactions of an object with other objects can be described by forces. Big Idea 5: Changes that occur as a result of interactions are constrained by conservation laws. Unit 1: Electrostatics I.B.1.1: Make claims about natural phenomena based on conservation of electric charge. I.B.1.2: Make predictions, using the conservation of electric charge, about the sign and relative quantity of net charge of objects or systems after various charging processes, including conservation of charge in simple circuits. I.B.2.1: Construct an explanation of the twocharge model of electric charge based on evidence produced through scientific practice. I.B.3.1: Challenge the claim that an electric charge smaller than the elementary charge has been isolated. 3.C.2.1: Use Coulomb’s Written Summer 2014 What is lightning, and why is it so dangerous? A balloon is rubbed on a sweater and receives an electric charge. What is the What are the relationship fundamental carriers between the charge of electrical charge, on the balloon and and how the charge on the may they be used to sweater? charge objects? Two pieces of tape How is are placed down on gravitational force a table, one on top similar to electrical of the other, then force, and in what removed one at a ways are time. How will they these forces very behave when different? brought near each other? elementary charge point charge Coulomb's law Coulomb's Law Lab: determine the charge on two objects which are repelling each other electrostatics positive charge negative charge Electrostatics Simulation: use a computer simulation of two positive charges to explore electrostatic forces. Giancoli, Physics: Principles with Applications, text book, 6th edition, Pearson, 2012 Electrostatic and circuit simulations: http//:phet.colorado. edu Resources on Electrostatics http://www.physicsc lassroom.com/class/ estatics Electrostatics http://hyperphysics.p hyastr.gsu.edu/hbase/el Science Course: AP Physics 1 Units: 1. Electrostatics 2. Simple Circuits College Board Guiding Learning Questions/ Objectives Specificity law qualitatively and quantitatively to make predictions about the interaction between two electric point charges (interactions between collections of electric point charges are not covered in Physics 1 and instead are restricted to Physics 2). 3.C.2.2: Connect the concepts of gravitational force and electric force to compare similarities and differences between the forces. 5.A.2.1: Define open and closed/isolated systems for everyday situations and apply conservation concepts for energy, charge, and linear momentum to those situations. Written Summer 2014 Sample Assessment Designated six weeks: Fifth Six Weeks Days to teach: Unit 1: 12-15 days Unit 2: 12-15 days Vocabulary Instructional Strategies Resources and Weblinks ectric/elefor.html A manufacturer claims to have isolated a charge smaller than the charge on an electron. Why is this unlikely?o move Two identical point charges are fixed 1m apart and the force between them is measured to be F. What is the force between them if they are allowed to move to a distance of 4m? College Board Sample Questions http://media.collegeb oard.com/digitalServ ices/pdf/ap/samplequestions-apphysics-1-and-apphysics-2-exams.pdf MIT Course http://ocw.mit.edu/c ourses/physics/8-02electricity-andmagnetism-spring2002/videolectures/lecture-4electrostaticpotential-andelectric-energy/ Science Course: AP Physics 1 Units: 1. Electrostatics 2. Simple Circuits College Board Guiding Learning Questions/ Objectives Specificity Unit 2: Simple Circuits I.B.1.1: Make claims about natural phenomena based on conservation of electric charge. I.B.1.2: Make predictions, using the conservation of electric charge, about the sign and relative quantity of net charge of objects or systems after various charging processes, including conservation of charge in simple circuits. I.E.2.1: Choose and justify the selection of data needed to determine resistivity for a given materials. 5.B.9.1: Construct or interpret a graph of the energy changes within an electrical circuit with only a single battery and resistors in series and/or in, at most one parallel branch as an application of Written Summer 2014 How are voltage, current, and resistance related in a series circuit? How are voltage, current, and resistance related in a simple parallel circuit? Sample Assessment Compare the power of a circuit when three identical resistors are wired in series versus wired in parallel for a given voltage using ohm's law. Designated six weeks: Fifth Six Weeks Days to teach: Unit 1: 12-15 days Unit 2: 12-15 days Vocabulary Instructional Strategies Voltage resistance current series parallel Ohm's law In the circuit pictured above, use Kirchoff's loop and junction laws to determine the particular voltage and current across resistor R3. Kirchhoff's Laws Series and Parallel Lab: Using a number of resistors, explore current and voltage when the resistors are connected to a power supply. Resources and Weblinks Giancoli, Physics: Principles with Applications, text book, 6th edition, Pearson, 2012 Electrostatic and circuit simulations: http//:phet.colorado.edu Resources on circuits: http://www.physicsclassroo m.com/calcpad/circuits http://hyperphysics.phyastr.gsu.edu/hbase/electric/e circon.html http://ocw.mit.edu/courses/ electrical-engineering-andcomputer-science/6-002circuits-and-electronicsspring-2007/ Science Course: AP Physics 1 Units: 1. Electrostatics 2. Simple Circuits College Board Guiding Learning Questions/ Objectives Specificity the conservation of energy. 5.B.9.2: Apply conservation of energy concepts to the design of an experiment that will demonstrate the validity of Kirchhoff’s loop rule (ZAV—0) in a circuit with only a battery and resistors either in series or in, at most, one pair of parallel branches. 5.B.9.3: Apply conservation of energy (Kirchhoff’s loop rule) in calculations involving the total electric potential difference for complete circuit loops with only a single battery and resistors in series and/or in, at most, one parallel branch. 5.C.3.1: Apply conservation of electric charge (Kirchhoff’s junction rule) to the comparison of electric current in various segments of an electrical circuit with a single battery and resistors in Written Summer 2014 Sample Assessment Designated six weeks: Fifth Six Weeks Days to teach: Unit 1: 12-15 days Unit 2: 12-15 days Vocabulary Instructional Strategies Resources and Weblinks Kirchhoff’s Gambit http://apcentral.collegeboar d.com/apc/members/course s/teachers_corner/44593.ht ml Kirchhoff’s Rule http://www.phyastr.gsu.edu/cymbal yuk/Lecture20.pdf Conservation of Electrical Charge http://www.physicsst udyguide.com/physi cs-2/law-ofconservation-ofelectric-charge/ Science Course: AP Physics 1 Units: 1. Electrostatics 2. Simple Circuits College Board Guiding Learning Questions/ Objectives Specificity series and in, at most, one parallel branch and predict how those values would change if configurations of the circuit are changed. 5.C.3.2: Design an investigation of an electrical circuit with one or more resistors in which evidence of conservation of electric charge can be collected and analyzed. 5.C.3.3: Use a description or schematic diagram of an electrical circuit to calculate unknown values of current in various segments or branches of the circuits. Written Summer 2014 Sample Assessment Designated six weeks: Fifth Six Weeks Days to teach: Unit 1: 12-15 days Unit 2: 12-15 days Vocabulary Instructional Strategies Resources and Weblinks Drawing Circuits http://www.physics. umd.edu/courses/Ph ys122/Streets/23_Cir cuits.pdf Calculating voltage from Schematics http://www.learnc.com/schemat.htm