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Heat and Electricity

Heat and Electricity. Review. Which material would be a better conductor of heat? Wood or metal?. Metal. Is plastic an insulator or a conductor?. Insulator. Metals allow heat to travel through them easily. What are they called?. Conductors.

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Heat and Electricity

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  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

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