S1 Physics - Test 1 Crossword

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Across
  1. 2. 0 degrees Celsius is the temperature of pure freezing ___________.
  2. 6. The unit of energy
  3. 7. Heat energy travels through a solid by ___________.
  4. 11. Heaters should be placed close to the ground because hot air _________.
  5. 12. Objects above ground have ______________ potential energy.
  6. 13. Metals do this when heated.
  7. 15. All ____________ are good conductors of heat.
  8. 16. When cooled, the metal that contracts the most in a bimetallic strip is on the (outside or inside)
  9. 18. Stored energy
  10. 19. Different metals expand and contract by different ___________.
  11. 20. Energy of movement
  12. 24. Heat energy travels through fluids (gas and liquid) by ____________.
Down
  1. 1. The unit of temperature is degrees _________.
  2. 3. Another term for heat energy
  3. 4. Stretched springs or bands have ______________ potential energy
  4. 5. Metals do this when cooled.
  5. 7. Energy cannot be created or destroyed, just changed from one form to another. This is called ____________ of energy.
  6. 8. All hot objects emit heat rays called _________ radiation.
  7. 9. This colour is better at absorbing AND emitting radiation.
  8. 10. 100 degrees Celsius is the temperature of pure _____________ water.
  9. 14. This type of strip is composed of 2 different types of metal strips stuck together.
  10. 17. One method of reducing heat loss from our homes is __________ glazing.
  11. 21. The ability to do work
  12. 22. One method of reducing heat loss from our homes is loft ___________.
  13. 23. When heated, the metal that expands the most in a bimetallic strip is on the (outside or inside)