1. Electroscope lab Conduction / induction lab
Lesson 4
December 5th, 2011
Electroscope lab Conduction / induction lab

2. Before Starting the Lab...
Read through the lab and make your predictions first
This lab will be done with PowerPoint and with electroscopes.

3. Charging by Contact Lab

4. Charging by Conduction
Trial A
Before 6 6

5. Charging by Conduction
Trial A
During 6 6

6. Charging by Conduction
Trial A
After 6 8

7. Charging by Conduction
Trial A
What will happen if we bring a negative rod near the negatively charged electroscope?

8. Charging by Conduction
Trial A
What will happen if we bring a positive rod near the negatively charged electroscope?

9. Extra - For fun
What will happen if we bring a Neutral rod near the negatively charged electroscope?

10. Before Charging by Conduction Trial B
Placing a positive charge on the electroscope 6 6

11. Charging by Conduction
Trial B
During 6 4 6

12. Charging by Conduction
Trial B
After 6 4

13. Charging by Conduction
Trial B
What will happen if we bring a positive rod near the positively charged electroscope?

14. Charging by Conduction
Trial B
What will happen if we bring a negative rod near the positively charged electroscope?

15. Charging by Conduction
Trial B
What will happen if we bring a neutral rod near the positively charged electroscope?

16. Charging by Induction

17. Charging by Induction
Trial A
Negative charged rod placing charge on neutral electroscope by induction with ground 6 4C 6

18. Charging by Induction
Trial A
What will happen if we bring a negative rod near the positively charged electroscope?

19. Charging by Induction
Trial A
What will happen if we bring a positive rod near the positively charged electroscope?

20. Charging by Induction
Trial B
Positive charge placing charge on neutral electroscope by induction with ground 6 6 8

21. Charging by Induction
Trial B
Positive rod near the negatively charged electroscope

22. Negative rod near the negatively charged electroscope

23. Work on the questions and hand in
Level 1
Level 2
Level 3
Level 4
Knowledge and Understanding
Knowledge of content
• Written Work Communication
• Oral Communication
Student demonstrates limited knowledge of content.
Student demonstrates some knowledge of content.
Student demonstrates considerable knowledge of content.
Student demonstrates thorough knowledge of content.
Thinking and Investigation
Use of initiating and planning skills and strategies
• Group Processes
Student uses initiating and planning skills and strategies with limited effectiveness.
Student uses initiating and planning skills and strategies with some effectiveness.
Student uses initiating and planning skills and strategies with considerable effectiveness.
Student uses initiating and planning skills and strategies with a high degree of effectiveness.
Communication
Communication for different audiences and purposes in oral, visual, and/or written forms
Student communicates for different audiences and purposes with limited effectiveness.
Student communicates for different audiences and purposes with some effectiveness.
Student communicates for different audiences and purposes with considerable effectiveness.
Student communicates for different audiences and purposes with a high degree of effectiveness.
Use of conventions, vocabulary, and terminology of the discipline in oral, visual, and/or written forms •
Student uses conventions, vocabulary, and terminology of the discipline with limited effectiveness.
Student uses conventions, vocabulary, and terminology of the discipline with some effectiveness.
Student uses conventions, vocabulary, and terminology of the discipline with considerable effectiveness.
Student uses conventions, vocabulary, and terminology of the discipline with a high degree of effectiveness.
Application
Proposing courses of practical action to deal with problems relating to science, technology, society, and the environment
Student proposes courses of practical action of limited effectiveness.
Student proposes courses of practical action of some effectiveness.
Student proposes courses of practical action of considerable effectiveness.
Student proposes highly effective courses of practical action.