Electrostatics

Packet Answer Key

Answer Key

Unit Videos

YouTube Answer Key Playlist

Additional Resources

Electrostatic Devices background (Reference Article)

The Story of Electricity (Video Series)

Main goal:

Be able to describe how basic electrostatic forces operate. (7.1)

Class Agenda:

1. Electrostatics Applications (presentation here)
2. Review subatomic particles (protons, neutrons, electrons)
3. Tesla coil demos - be able to explain how the phenomena that you experience operates

Homework:

1. Read Static Electricity Lesson 1 here

Main goal:

Be able to explain the process of charging by friction, conduction and induction. (7.5)

Class Agenda:

1. Intro to Electrostatics (Pages 1-4)
2. Discuss triboelectric series and frictional charging
3. Discuss types of charging (friction, conduction, induction)
4. Discuss electroscope operation
5. Tesla coil demos!

Homework:

1. Complete pages 1-4 of electrostatics packet

Main goal:

Be able to calculate total charge of objects (7.2)

Class Agenda:

1. Review types of charging
2. Discuss Van de Graaf generator operation and be able to explain demos.
3. Discuss quantization of charge
4. Practice quantifying charge (pg. 5)

Homework:

1. Complete pages 5-6. See resources above for answer key and explanations.

Main goal:

Understand the relationship between charge, force and distance using Coulomb's Law. (7.2 - 7.4)

Class Agenda:

1. Review quantization of charge
2. Discuss Coulomb's Law
3. Practice applying Coulomb's Law to various situations (pgs. 6-7)

Homework:

1. Study for quiz next class
2. Complete pages 6-7 in packet. (See resources tab for answer key and video explanations)

Main goal:

Be able to show your understanding of electrostatics! (7.1-7.5)

Class Agenda:

1. Review of electrostatics
2. Electrostatics Quiz
3. Practice applying electrostatic equations to various situations (pgs. 8-9)

Homework:

1. Complete pages 8-9 in packet. (See resources tab for answer key and video explanations)

Main goal:

Demonstrate your understanding of the process by which cloud to ground lightning occurs. (7.6)

Class Agenda:

1. Review electrostatics quiz (see review tab below)
2. Research the process by which cloud to ground lightning occurs
3. Create a book that demonstrates your understanding of cloud to ground lightning
4. Complete review for exam (pgs. 10-12)

Homework:

1. Study for exam next class!
2. Complete electrostatics packet (all pages)
3. Review answer keys and watch video explanations as needed (see resources tab above)

The following items are associated with the electrostatics quiz from day 5. Review your quiz to see which items you need additional work on. Each task below will assist you in fixing misconceptions prior to taking the unit exam next class. For each question that you missed on the quiz, write a new correct explanation after discussing with your group.

For a review of the entire unit see this video.

Resources for each quiz question and ultimately the major concepts in the electrostatics unit are below.

1. Describe and diagram the process of charge polarization. Use the following resources to assist with your explanation. (Video) (Reading)
2. Describe and diagram the process of charging by friction, conduction and induction. The following video links do an excellent job of showing these processes! (Friction) (Conduction and Induction)
3. Describe how an object becomes charged and how charge can be quantified. (Charge overview) Review page 5 of packet and watch video explanations (Video Link)
4. Explain the relationship between charge and distance using Coulomb's Law. (Overview Video) Watch video explanations for answers to pages 6 and 7. (Video Explanation)
5. Use the same materials from item 4 to for review.
6. Explain how a device that is based on electrostatics operates. (Electrostatic Precipitator) (Powder Coating)

Main goal:

Be able to show your understanding of electrostatics! (7.1-7.6)

Class Agenda:

1. Brief review
2. Exam

Homework:

1. Begin reading circuits material