Name: _____________________________________________ Period: _____ Date: _________

Dekalb Reads Assignment 10.2 A

Energy Transfer

Read pages 331-333 and answer the following questions
  1. In how many ways heat can be transferred from one object to other?
  2. Define conduction.
  3. Give an example of energy transfer by conduction.
  4. When does conduction take place?
  5. Conduction also takes place between particles ________________________.
  6. How is the energy transferred along a wire?
  7. How do you get a hot sensation in your hand when you touch a hot wire?
  8. Convection results from the movement ____________________________.
  9. Define convection.
  10. The air close to the fire becomes hot and __________________________.
  11. What happens when air becomes less dense?
  12. What does the air moving upward carries with it?
  13. The rising warm air is replaced by __________________________.
  14. Convection involves the movement of ______________________.
  15. Convection involves the movement of ____________________________.
  16. "Convection is not possible in solids". Why?
  17. Define convection current.
  18. What does the proper heating and cooling of a building require?
  19. ________________ doesn’t require physical contact between objects?
  20. What are the different types of electromagnetic waves?
  21. Define radiation.
  22. Which method of energy transfer can take place in vacuum?
  23. By which method the energy transferred to us from sun?

 

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