energy transfer

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Across
  1. 1. Common materials that are good conductors of heat
  2. 6. Material that transfers heat well
  3. 10. Poor conductor often used for insulation
  4. 13. Another state of matter in which convection occurs
  5. 16. State of matter where conduction mainly occurs
  6. 17. The use of materials to slow the flow of heat
  7. 18. Container designed to reduce heat transfer
  8. 19. To bounce radiation away
  9. 22. Heat transfer through particle collisions
  10. 23. What hot air does because it is less dense
  11. 24. What cold air does because it is more dense
  12. 25. Measure of how hot or cold something is
Down
  1. 2. To take in radiation
  2. 3. Space containing no matter
  3. 4. Condition that causes particles to collide more often
  4. 5. What vibrating particles do with neighbouring particles
  5. 7. Describes particles that are closely packed together
  6. 8. What particles do when heated
  7. 9. One state of matter in which convection occurs
  8. 11. Material that slows heat transfer
  9. 12. Heat transfer that can occur through a vacuum
  10. 14. Example of an insulating material
  11. 15. Heat transfer through the movement of liquids and gases
  12. 20. Collective term for liquids and gases
  13. 21. Tiny pieces of matter involved in heat transfer