1. Chapter 5

2. Jeopardy 1 2 3 4 Vocab Renewable? Devices Same or Opposite?
Double Jeopardy

3. Friction, Contact or Induction?
Double Jeopardy
MATH!
Friction, Contact or Induction?
Electrostatic Series 1 2 3 4
final jeopardy

4. Final Jeopardy
Draw the steps and charges involved when you rub a balloon on your hair and then stick it to the wall. Indicate where you are charging objects by friction, contact, and/or induction.

5. Vocab 1
New appliances have this kind of label that states their typical energy consumption per year.
What is an EnerGuide Label?
jeopardy

6. Vocab 2
A material which does not allow electrons to move easily between atoms.
What is an insulator?
jeopardy

7. Vocab 3 A device that increases the voltage of a current.
What is a step-up transformer?
jeopardy

8. Vocab 4
A current in which the electrons travel through a circuit in only one direction.
What is a direct current?
jeopardy

9. Renewable or non-renewable 1?
Solar.
What is renewable?
jeopardy

10. Renewable or non-renewable 2?
Hydroelectric.
What is renewable?
jeopardy

11. Renewable or non-renewable 3?
Coal.
What is non-renewable?
jeopardy

12. Renewable or non-renewable 4?
Nuclear.
What is non-renewable?
jeopardy

13. Devices 1
This is the term used to describe charging paint particles for use in painting vehicles.
What is Electrostatic Spray Painting?
jeopardy

14. Devices 2
This is a device that accumulates a very large charge and may cause your hair to stand on end!
What is Van de Graaff generator?
jeopardy

15. Devices 3
In a photocopier and laser printer, a drum coated in this element is given a charge.
What is selenium?
jeopardy

16. Devices 4
A device that uses electrical charges to reduce pollution from smoke stacks.
What is an Electrostatic Precipitator?
jeopardy

17. Same or Opposite?
During charging by friction, both objects end up with _________ charges.
What is opposite?
jeopardy

18. Same or opposite?
During charging by contact, both objects end up with _________ charges.
What is the same?
jeopardy

19. Same or opposite?
_______ charges attract.
What is opposite?
jeopardy

20. Same or opposite?
The reason that a charged object attracts a neutral object is because a charged object induces a ____________ in the neutral object.
What is a charge separation?
jeopardy

21. Math Percent Efficiency = ?? X 100
What is energy output divided by energy input?
Double Jeopardy

22. Math 2
65 W = ?? kW
What is 0.065kW?
Double Jeopardy

23. Math 3 Total hours of use: 20 minutes per day, for two weeks
What 4.67 hours?
Double Jeopardy

24. Math 4
A kettle has a power rating of 1.4kW and took 2 minutes and 30 seconds to boil water. We want to find out its efficiency. Its energy input is ______.
What 210 kJ?
Input = power x time
= 1.4kW x 150s = 210kWs = 210kJ
Double Jeopardy

25. Friction, Contact or induction 1?
What is contact?
Double Jeopardy

26. Friction, Contact or Induction 2
What is contact?
Double Jeopardy

27. Friction, Contact or Induction 3
What is friction?
Double Jeopardy

28. Friction, Contact or induction 4
What is induction?
Double Jeopardy

29. Electrostatic series 1
How do the following items become charged when you rub them together: glass with cotton.
What is glass becomes positive, cotton becomes negatively charged?
Double Jeopardy

30. Electrostatic Series 2 Rub foam on your hair.
What is hair becomes positive and foam becomes negatively charged?
Double Jeopardy

31. Electrostatic Series 3 Lucite with fur.
What is lucite becomes negative and fur becomes positively charged?
Double Jeopardy

32. Electrostatic Series 4 Ebonite and polyester.
What is polyester becomes positive and ebonite becomes negative?
Double Jeopardy