Science Crossword Puzzle

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Across
  1. 4. When water gets really hot and turns into steam
  2. 5. A state of matter that spreads out to fill any space
  3. 6. A combination of things that are not chemically stuck together
  4. 8. A state of matter that takes the shape of its container
  5. 10. When a puddle dries up
  6. 15. When something new is made, like burning paper
  7. 17. What you end up with in a chemical reaction
  8. 18. A mixture where something dissolves in liquid
  9. 19. The amount of space something takes up
  10. 21. A state of matter that stays the same shape
  11. 23. The energy that makes things move
  12. 25. The push of air or gas inside something
  13. 27. The rule that matter is never lost, only changed
  14. 28. When gas skips turning into liquid and becomes solid
  15. 29. A substance made of two or more elements
  16. 30. A reaction that gives off heat
Down
  1. 1. How much stuff is packed in a space
  2. 2. When ice skips melting and turns into gas
  3. 3. A state of matter found in fire and stars
  4. 7. A pure substance from the periodic table
  5. 9. A reaction that takes in heat
  6. 11. A change where nothing new is made, like cutting paper
  7. 12. The amount of material in something
  8. 13. When water turns into ice
  9. 14. When ice turns into water
  10. 16. When water forms on a cold drink
  11. 20. When a smell spreads through the air
  12. 22. How hot or cold something is
  13. 24. When something changes from solid to liquid or gas
  14. 26. What you start with in a chemical reaction