Unit Cover Physical and Chemical change

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Across
  1. 2. Burning wood is an example.
  2. 5. What happens to steam on a cold mirror.
  3. 7. Melting a piece of wax is an example.
  4. 8. The process by which ice becomes water.
  5. 11. How puddles dry up after a rainy day.
  6. 13. Ice is this state of matter.
  7. 14. When a solid turns directly into a gas, like dry ice.
  8. 15. Water does this at 32 degrees Fahrenheit.
  9. 16. What's needed to do work or cause change.
  10. 18. This occurs at 212 degrees Fahrenheit at sea level.
  11. 19. The amount of space a substance occupies.
  12. 22. What you might use to keep drinks cold at a picnic.
  13. 23. Oxygen is in this state of matter.
  14. 24. Heat transfer in a fluid by the movement of warmer and cooler fluid.
Down
  1. 1. The collective term for evaporation and boiling.
  2. 3. Water is this state of matter.
  3. 4. Sound waves cause this in air.
  4. 6. It's measured in degrees Celsius or Fahrenheit.
  5. 9. A substance that can flow, like water or air.
  6. 10. The energy of a moving object.
  7. 12. The basic unit of a chemical element.
  8. 13. In a gas, the molecules have a lot of this between them.
  9. 17. Two or more atoms bonded together.
  10. 20. Change in position over time.
  11. 21. The movement of thermal energy from one thing to another.