Matter Crossword

123456789101112131415161718
Across
  1. 2. At 100 degrees Celcius, water
  2. 5. This is a very light gas found in some balloons.
  3. 7. Matter that has a definite shape and volume is in this state.
  4. 8. When atoms are in this state of matter, they fly around freely.
  5. 11. This is the type of gas that plants need to make food.
  6. 13. This is liquid rock that pours out of a volcano.
  7. 15. Solid white flakes of water that fall from the sky are known as
  8. 16. Solid matter does not change
  9. 17. This is the type of gas that animals' bodies need to stay alive.
  10. 18. Liquid matter takes the shape of its
Down
  1. 1. If you place a solid in a liquid, it will either sink or
  2. 3. Raindrops are this state of matter.
  3. 4. The tiny particles that matter is made of are
  4. 6. On a warm day, the liquid water in a puddle will ___and turn into a gas.
  5. 9. The amount of matter something contains is its
  6. 10. When a solid is heated up and turns into a liquid, it
  7. 12. Water, in solid form is
  8. 14. The amount of space that matter takes up is its