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Across 1. All things made of tiny particles is called ________. 4. This type of matter holds their shape. 8. When a water vapour cools down and turns back into a liquid water this is called _________. 9. This type of matter has volume but does not hold its shape. 12. The more energy the matter has the more the __________ are moving around. 15. When a solid can turn into a gas this is called _________. 16. The surface of a liquid warms up and turns into a gas. 17. A change in property of matter requires a change in _________. 18. This type of matter has no definite shape and spreads out to fill the space that it is in.

Down 2. When a solid turns into a liquid this is called ________. 3. When water particles start to slow down this is called the _________ point. 5. Something that is a GIANT mass of water vapours. 6. The changing of a liquid into a gas. 7. The amount of space any matter takes up is called ________. 10. The amount of matter in an object is called ________. 11. The amount of water in a given volume is called ________. 13. Everything in the universe is made up of _________ and energy. 14. Water _________ in clouds turns into water when it rains.