Electricity Lesson Plans: scroll through the unit, click on linked lessons

 

Lesson 1:  Static Electricity

            Engagement: What do you do in the evening that doesnít require electricity?

Activity 1:  Experiment: Charged Tape Investigation

            Activity 2:  Question Sequence: observations, Ben Franklinís +/-, electrons, holes

            Activity 3: Notes: Static Electricity & Materials

            Homework:  Worksheet: Static Electricity      

Lesson 2: Transferring Static Charge    

            Engagement: Show off Van de Graff Generator

Activity 1: Notes: Insulators, Conductors, Charging Methods

            Activity 2: Conductivity Test

            Activity 3: Charging electroscopes

Homework: Read Glencoe Physics (p. 464-470): section 20.1b & section 20.2a     Chapter 20 Review (p. 477): 1-6

Lesson 3: Coulombís Law

            Engagement: Play with a balloon and the Van de Graff Generator

Activity 1:  Use the Van de Graff Generator to relate force to charge and distance

            Activity 2:  Notes: Coulombís Law & Example

            Activity 3:  Chapter 20 Practice Problems (p. 476): 1, 3

Homework: Chapter 20 Review (p. 478): 20 24, 25, 26

Lesson 4:  DC Circuits

Engagement: Electromagnetic force is a lot stronger than gravity, Saturn V story

Activity 1:  Think Time: How can we have electricity without charge build up?

            Demonstrate: bucket chain with cups (holes) and ping pong balls (electrons)

Activity 2: Design Challenge: ← Included in Circuit Diagrams.ppt

1.      Build a circuit with 2 light bulbs such that if one light bulb is removed, the other light bulb goes out

2.      Build a circuit with 2 light bulbs such that if one light bulb is removed the other one stays on

Activity 3: Notes: Circuits ← Included in Circuit Diagrams.ppt

Homework: Circuits worksheet

Lesson 5:  Ohmís Law

            Engagement: Today you learn how to make predictions with circuits.

Activity 1:  Notes:  Ohmís Law → definitions of R, I, and V. ← Ohmís Law.ppt

Activity 2:  Introduction to measuring R, I, and V with a digital multi-meter. ← Ohmís Law.ppt

Activity 3:  Chapter 22 Practice Problems (p. 515): 5, 6, 7

Homework: Read Glencoe Physics (p. 517-519): section 22.1b (Diagramming Circuits), Worksheet: Ohmís Law 1

Lesson 5b:  Ohmís Law Lab ← Lesson is not yet written

            Engagement: Today we are going to test Ohmís Law.

            Activity 1:  Gather your materials (resistors, voltmeters, batteries, wire)

Activity 2:  Data collection: use 1, 2, & 3 batteries across a single resistor, measure current

            Activity 3:  Graph your data & find the slope of the line (the resistance)

            Homework: Complete the lab.

Lesson 6: Circuit Analysis ← takes two class periods

Engagement: Today you get to play with toys in the lab.

Activity 1:  Use Ohmís Law to predict V, I, or R as directed

Activity 2:  Build the circuits

Activity 3:  Measure V, I, or R as directed

Activity 4:  Write conclusions explaining any similarities or differences between predicted and measured values.

Homework: Ohmís Law 2 worksheet

Lesson 7: AC Electricity

            Engagement: Today you are going to learn how the wiring in your house works.

            Activity 1: Write: Tell me everything you know about the electricity in your house.

Activity 2: Notes: Alternating and Direct Current ← AC Electricity.ppt

Activity 3: Chapter 25 Practice Problems (p. 589): 5, 6, 7, 8

Homework:  Read Glencoe Physics (p. 555 Ė 559): section 24.1a (magnets)            Chapter 24 Practice Problems (p. 560): 1, 2, 3

Lesson 8:  Electromagnetic Fields

            Engagement:  Play with magnets: Write a description of what you can make them do

Activity 1: Experiment with magnets:

1.      Demonstration: Use iron filings on a piece of paper over a magnet.

2.      Students use magnets to make patterns and iron filings to see the magnetic fields.

Activity 2:  Question Sequence:  how can moving magnets and electrons affect each other?

1.      three 1.5 V batteries and a switch in series: place a compass under the wireŗ moving charges make magnetic fields

2.      ammeter attached to a coil: move a magnet through the coil ŗ moving magnets make electric fields

Activity 3:  Summary (Notes): electromagnetic fields

Homework: Magnetic Fields worksheet

Lesson 9:  Building Motors

            Engagement:  Today you get to build motors.

Activity 1:  Read the instructions: questions/suggestions

            Activity 2:  Build the motors

            Activity 3:  Test motors

            Homework: Study for the test

Lesson 10:  Assessment

            Engagement:     Today you get to show off all that youíve learned about electricity

Activity 1:  Last minute review

            Activity 2:  Electricity Test

            Activity 3:  Reading from the next unit

            Homework: Reading questions from the next unit