1. Heat and Electricity Review

2. Which material would be a better conductor of heat? Wood or metal?

3. Metal

4. Is plastic an insulator or a conductor?

5. Insulator

6. Metals allow heat to travel through them easily. What are they called?

7. Conductors

8. When making a circuit, what could you do to keep the wires from getting too hot? Would you insulate the wires with a metallic material or a rubber material?

9. Rubber Material

10. A material that allows a current to pass through it easily is called a

11. Conductor

12. Give an example of a household activity that involves the use of radiation.

13. Cooking food in a microwave oven.

14. The coils on a stove cause a cooking pot to heat up. This is an example of heat being ________ from one object to another.

15. Conducted

16. What does your winter coat act as?

17. An insulator

18. What kind of spoon would you NOT want to use to stir a hot pot of soup on the stove?

19. Metal

20. A current is a continuous flow of electricity. What happens when one part of a circuit is not connected?

21. It will not allow electricity to flow and it will not light up the bulb.

22. When you lay on the beach, you feel the warmth of the sun. What type of heat transfer occurs when this happens?

23. Radiation

24. What type of material is electrical wire typically made out of?

25. Copper

26. If you want to insulate a can of soda, which material would be the best to wrap the can in to keep it cold? Aluminum foil, plastic wrap, was paper, or paper towels

27. Paper Towels

28. Ice skating, lighting a match, and rubbing your hands together all create heat from?

29. Friction

30. Electricity can be transformed into heat. True or False

31. True

32. Electricity is a form of ______.

33. Energy

34. Heat, light, and transportation rely on ______.

35. Electricity

36. What does a solar cooker use to heat food?

37. Sunlight

38. Heat is a form of ______.

39. Energy

40. Rubbing two sticks together is an example of producing heat by _______.

41. Friction

42. You leave a bottle of sunscreen, a bottle of water, a beach towel, and two quarters in the car on a hot sunny day. Which item will get the hottest?

43. Quarters

44. Molecules (speed up/slow down) when they are heated.

45. Speed up