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 atom
 Charged vs. Uncharged Objects
 Charging by Friction
 Charge Interactions
 Top 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 Sheet
 Charging Methods: Friction; Think Sheet
 Top TapeBottom Tape Activity
 Lab E3: Charging by Induction
 Discuss Charging by Induction; Think Sheet
Homework:
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 Sheet
 Charging Methods: Friction; Think Sheet
 Top TapeBottom Tape Activity
 Lab E3: Charging by Induction
 Discuss Charging by Induction; Think Sheet
Homework:
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:
Homework:
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:
Homework:
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 Codes
 What do your believe? (page 4, Q#3)
 Discuss Lab E7: Sparky the Electrician Lab
 Discuss Electric Potential: Think Sheet; ∆V = ∆PE/Q
 What is the role of the battery? Two models of circuits. Whiteboard work.
 Demo: Christmas lights
 Discuss Electric Current def'n, equation, units; comparison; think sheet
 Lab E10: Voltage, Current, and Resistance
Homework:
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/Postlab E10; discuss Ohm's Law equation
 Electrical 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. 480485) (or online alternative below)
 Read textbook  Chapter 17.3 (p. 494 only ... for now) (or online alternative below)
 WebAssign: Internet Problems and Makeup Quiz
 Prepare 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:
Homework:
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 Series
 Parallel Circuits Concepts
 Parallel Circuits Mathematics
Homework:
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 Parallel
 Equivalent Resistance for Combination Circuits
 Mathematical Analysis of Combination Circuits
Homework:
Helpful Links:

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 Circuits
 Work time: Internet Problems and Makeup Quiz
Homework:
Helpful Links:

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:
Homework:
Helpful Links:

