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