Science Test

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Across
  1. 2. The amount of matter in a given amount of space
  2. 3. A collection of two or more things that don’t change
  3. 6. Solid, liquid, gas, plasma
  4. 7. The temperature in which a solid turns into to a liquid
  5. 8. When water vapor turns into rain
  6. 10. The amount of space something takes up
  7. 12. A change that doesn’t change the substance
  8. 14. This state of matter takes the shape of its container
  9. 17. When liquid turns into water vapor
  10. 19. This state of matter has a changeable mass and volume
  11. 21. The temperature in which a liquid turns into a gas
Down
  1. 1. This state of matter is the most common in the universe and is made from gas
  2. 4. Substances that cannot be broken down into anything simpler
  3. 5. A change that does change the substance
  4. 9. The temperature in which a liquid turns into a solid
  5. 11. This state of matter has a mass and volume that doesn’t change
  6. 13. When elements combine to make a new substance
  7. 15. Anything that has mass and takes up space
  8. 16. A mixture made when one substance is dissolved into another substance
  9. 18. Smallest piece of matter
  10. 20. Smallest piece of a compound