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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 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 Tape-Bottom 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 Tape-Bottom 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/Post-lab 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. 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 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:   
  • 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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