Matter Crossword

12345678910111213141516171819
Across
  1. 1. At 100 degrees Celcius, water
  2. 4. This is the type of gas that plants need to make food.
  3. 6. This is liquid rock that pours out of a volcano.
  4. 8. The amount of space that matter takes up is its
  5. 11. The tiny particles that matter is made of are
  6. 14. The process that happens when water vapour turns into drops of water
  7. 16. Solid matter does not change
  8. 17. The amount of matter something contains is its
  9. 18. When atoms are in this state of matter, they fly around freely.
  10. 19. Water, in solid form is
Down
  1. 2. The process that happens when you heat iodine and it turns from solid crystals into purple gas
  2. 3. This is a very light gas found in some balloons.
  3. 5. This is the type of gas that animals' bodies need to stay alive.
  4. 7. When a solid is heated up and turns into a liquid, it
  5. 9. Raindrops are this state of matter.
  6. 10. If you place a solid in a liquid, it will either sink or
  7. 12. Solid white flakes of water that fall from the sky are known as
  8. 13. Liquid matter takes the shape of its
  9. 15. On a warm day, the liquid water in a puddle will ___and turn into a gas.
  10. 16. Matter that has a definite shape and volume is in this state.