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Unit 7: Electricity

 Day Thursday, March 3 Day 0 of U7 (last day of U6) Focus Question(s): How do objects become charged? What affect does a charged object have upon other objects - charged or neutral? What did we learn this unit? Activities: Start Unit 7: Electricity Structure of the atomCharged vs. Uncharged ObjectsCharging by FrictionCharge InteractionsTop vs. Bottom Tape Lab Test on Unit 6 Homework:    Online Reading (see links below) Helpful Links:

 Day Tuesday, March 8 1 Focus Question(s): How can one use observations of charge interactions to deduce what type of charge is possessed by an object? How can one describe the procedure, the result, and the explanation for charging by friction, by conduction, and by induction? Activities: Announcments (test) Review Charge Interactions; Think SheetCharging Methods: Friction; Think Sheet Top Tape-Bottom Tape ActivityLab E3: Charging by Induction Discuss Charging by Induction; Think Sheet Homework:    Minds On Physics - Static Electricity Module; do SE2, SE3, and SE7Read Textbook - Chapter 18.2, pp. 519-525 (or online alternative - see below) Helpful Links:

 Day Thursday, March 10 2 Focus Question(s): How can one use observations of charge interactions to deduce what type of charge is possessed by an object? How can one describe the procedure, the result, and the explanation for charging by friction, by conduction, and by induction? Activities: Announcments (test) Review Charge Interactions; Think SheetCharging Methods: Friction; Think Sheet Top Tape-Bottom Tape ActivityLab E3: Charging by Induction Discuss Charging by Induction; Think Sheet Homework:    Minds On Physics - Static Electricity Module; do SE2, SE3, and SE7Read Textbook - Chapter 18.2, pp. 519-525 (or online alternative - see below) Helpful Links:

 Day Monday, March 14 3 Focus Question(s): How can Newton's Law and Coulomb's Law be combined to analyze electrostatic situations?What is an electric field and what variables effect its strength? Activities: Coulomb's Law Problems, Q#10-#13 Lab Test - Electric Fields Electric Field - concept and mathematics Homework:    Minds On Physics - Static Electricity Module; do SE10, SE11, and SE12WebAssign: Electricity, Assignment 1 Read Textbook - Chapter 18.3, pp. 526-532 (or online alternative - see below) Helpful Links:

 Day Wednesday, March 16 4 Focus Question(s): In what way do electric field lines communicate information about the electric field surrounding a charge or configuration of charges?What is electric potential and how is it defined mathematically? What is the role of a battery in an electric circuit? Activities: Review/Catch-up - electric fieldPhysics Interactive: Electric Field LinesDemonstrations: VDG; television; and more Electric Potential - think sheet Homework:    Minds On Physics - Electric Circuits Module; do EC1Read textbook - Chapter 17.1 (pp. 470-479) (or online alternative below) Helpful Links:

 Day Friday, March 18 5 Focus Question(s): What is electric current and how does the amount of current compare at various locations in a circuit? What is the relationship between electric potential, current and resistance? Activities: Collect MOP CodesWhat do your believe? (page 4, Q#3) Discuss Lab E7: Sparky the Electrician LabDiscuss Electric Potential: Think Sheet;  ∆V = ∆PE/QWhat is the role of the battery? Two models of circuits. Whiteboard work. Demo: Christmas lightsDiscuss Electric Current def'n, equation, units; comparison; think sheetLab E10: Voltage, Current, and Resistance Homework:    Minds On Physics - Electric Circuits Module; do EC1-EC2Prepare for Pop Quiz Helpful Links:

 Day Tuesday, March 22 6 Focus Question(s): What is electrical resistance and what variables affect the resistance of a wire? How are series and parallel circuits similar to and different from one another?What is electrical power and what equations relate power to other electrical quantities? Activities: Complete/Post-lab E10; discuss Ohm's Law equationElectrical Resistance and Resistivity Electrical Power Pop Quiz Homework:    Minds On Physics - Electric Circuits Module; do EC3, EC4, EC5, and EC6 Read textbook - Chapter 17.2 (pp. 480-485) (or online alternative below)Read textbook - Chapter 17.3 (p. 494 only ... for now) (or online alternative below)WebAssign: Internet Problems and Makeup QuizPrepare Lab Notebooks to hand in (Labs E3, E4, E7, and E10) Helpful Links:

 Day Thursday, March 24 7 Focus Question(s): What affects the voltage drops and current values for the individual resistors in a series circuit? How are these ∆V, I and R values for the resistors related to the overall values? How does one mathematically analyze a series circuit? Activities: Demo Lab E11: Series vs. Parallel CircuitsPhysics Interactive: Conceptual AnalysisSeries Circuits Concepts Series Circuits Mathematics Collect Lab Notebooks Homework:    Minds On Physics - Electric Circuits Module; do EC7 and EC9 Read textbook - Chapter 17.3 (pp. 486-493) (or online alternative below)WebAssign: Internet Problems and Makeup Quiz Helpful Links:

 Day Tuesday, April 5 8 Focus Question(s): What affects the voltage drops and current values for the individual resistors in a parallel circuit? How are these ∆V, I and R values for the resistors related to the overall values? How does one mathematically analyze a parallel circuit? Activities: Review Series Circuits in order to do ... Lab E12: Comparing Voltage Drops and Currents in SeriesParallel Circuits Concepts Parallel Circuits Mathematics Homework:    Minds On Physics - Electric Circuits Module; do EC8 and EC10 WebAssign: Internet Problems and Makeup Quiz Helpful Links:

 Day Thursday, April 7 9 Focus Question(s): How does one mathematically analyze a parallel circuit?How does one mathematically analyze a combination circuit? Activities: Review Parallel Circuits in order to do ...Lab E14: Comparing Voltage Drops and Currents in ParallelEquivalent Resistance for Combination Circuits Mathematical Analysis of Combination Circuits Homework:    Minds On Physics - Electric Circuits Module; do EC11 and EC12Read textbook - Chapter 17.3 (p. 497 only) (or online alternative below) Helpful Links:    Combination CircuitsWebAssign: Internet Problems and Makeup Quiz

 Day Monday, April 11 10 Focus Question(s): How does one mathematically analyze a combination circuit? Activities: Review Combination Circuits in order to do ...Lab E16: Combination CircuitsWork time: Internet Problems and Makeup Quiz Homework:    To be announced. Helpful Links:    To be announced.

 Day Wednesday, April 13 11 Focus Question(s): To be announced How can we describe the motion of a vibrating mass on a spring? What did we learn this unit? Activities: Start Unit 8 Unit 7 Test Homework:    To be announced. Helpful Links:    To be announced.

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