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# Henderson's Physics 163

### Chapter 22 Lesson Plan Schedule

This page last modified on 2/4/08.

### Monday, February 4

Lesson Plan:

Introduction to current electricity; Sparky the Electrician Lab

Two requirements of an electric circuit; anatomy of a light bulb; water analogy and the battery as a charge pump

Van de Graaff demos; concept of electric potential; Tango and Cash video clip

Homework:

Read pp. 591-594

WebAssign: start Chapter 22, Section 1A Homework

Suggestions:

As you read the pages from the book, have your WebAssign questions nearby; there is a consistency between the textbook reading and the questions.

Announcements/Important Info:

WebAssign: Chapter 22, Section 1A is due on Wednesday

### Tuesday, February 5

Lesson Plan:

Opening Question ==> Which bulbs will not light? Review requirements of a circuit.

Capacitor charging demos: charge flows when there is an electric potential difference between two points; the role of the battery and the concept of + and - terminals

Discuss current: def'n, equation, unit, direction; contrast with drift speed

Two I or Not Two I? Lab

Energy and power; derive P = I•V equation and do p. 594, #2, 3, 4

Homework:

WebAssign: finish Chapter 22, Section 1A Homework

Suggestions:

Stay on top of your WebAssign assignments during these two chapters - Chapter 22 and 23.

Announcements/Important Info:

WebAssign: Chapter 22, Section 1A is due on Wednesday

### Wednesday, February 6

Lesson Plan:

Opening Question ==> Identify the ammeter and voltmeter reading and calculate the power. Review power relationships.

Pumping Charge Through Round and Large Lab

Discuss resistance: definition, cause, variables effecting R; units on resistance. Look at Table 22-1 on p. 595.

A VIRy Good Lab

Homework:

Read pp. 595 - 600 of textbook

WebAssign: start Chapter 22, Section 1B Homework

Suggestions:

As you read the pages from the book, have your WebAssign questions nearby; there is a consistency between the textbook reading and the questions.

Announcements/Important Info:

WebAssign: Chapter 22, Section 1B is due on Friday

There is a pop quiz on Friday. Completion and understanding of both sets of WebAssign questions will lead to satisfactory results.

### Thursday, February 7

Lesson Plan:

Opening Question ==> Calculate the I and the R for a 60-watt and a 100-watt light bulb in a 120-volt circuit

Post-lab A VIRy Good Lab; discuss results and equation

Circuit diagrams and schematic symbols; operation of ammeters and voltmeters; do page 600, #12, 13, 14 (Teacher check off in notebook)

If time allows, do p. 611, #61, 62. 63

Homework:

WebAssign: finish Chapter 22, Section 1B Homework

Suggestions:

Use your WebAssign assignments as preparation for tomorrow's quiz.

Announcements/Important Info:

WebAssign: Chapter 22, Section 1B is due on Friday

There is a pop quiz on Friday. Completion and understanding of both sets of WebAssign questions will lead to satisfactory results.

### Friday, February 8

Lesson Plan:

Demo - thermoelectric converter; discuss energy transfer and forms of energy.

Discuss power-energy relations; derive new equations; do p. 603, #23, 24

Other demos: burn a pickle and capacitor demos

Quiz on Chapter 20.1

Homework:

Read Chapter 22.2

WebAssign: start Chapter 22, Section 2 Homework

Suggestions:

Have a good weekend.

Announcements/Important Info:

WebAssign: Chapter 22, Section 2 is due on Wednesday

### Monday, February 11

Lesson Plan:

The dark secrets of the deDarke family; electrical cost; the kiloWatt•hour; practice #29 on page 605

Discuss the i2R loss

Start Energy Audit Project

Homework:

WebAssign: start Chapter 22, Section 2 Homework

Suggestions:

None

Announcements/Important Info:

WebAssign: Chapter 22, Section 2 is due on Wednesday

### Tuesday, February 12

Lesson Plan:

Opening Question ==> page 613, #89 Review energy, power and the kiloWatt•hour

Continue the Energy Audit Project

Series and Parallel Lab

Homework:

WebAssign: finish Chapter 22, Section 2 Homework

Suggestions:

None

Announcements/Important Info:

WebAssign: Chapter 22, Section 2 is due on Wednesday

### Wednesday, February 13

Lesson Plan:

Complete Energy Audit Project

Homework:

Read pp. 617- 622

WebAssign: start Chapter 23, Section 1A

Suggestions:

Begin your studies of Chapter 23 material; start your readings and the corresponding WebAssign assignments

Announcements/Important Info:

There is a Pop Quiz on Friday.

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