Physical and Chemical Changes - Discovery Science

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Across
  1. 4. A reaction where a solid forms from two liquids
  2. 6. A solid turning straight into a gas without becoming a liquid
  3. 7. A solid turning into a liquid
  4. 8. A type of change where no new substance is made
  5. 10. A reaction where two or more substances combine to make something new
  6. 12. A word to describe something that cannot dissolve in a liquid
  7. 15. A change that can be undone and go back to how it was before
  8. 16. A word to describe something that can dissolve in a liquid
  9. 19. When heat causes a substance to break apart into new substances
  10. 20. The liquid that dissolves a solute
  11. 22. A change that cannot be undone because a new substance is made
  12. 23. A liquid turning into a gas quickly when heated
  13. 24. When an acid and a base react to make salt and water
  14. 25. When a substance breaks up and mixes into a liquid to form a solution
Down
  1. 1. When a substance reacts with oxygen like rust forming on iron
  2. 2. A solution that cannot dissolve any more solute because it is full
  3. 3. A liquid turning into a solid
  4. 5. A liquid slowly turning into a gas from its surface
  5. 9. The idea that the total mass stays the same in a reaction even if substances change form
  6. 11. A reaction that produces bubbles or fizzing
  7. 13. The substance that gets dissolved in a liquid
  8. 14. The mixture made when a solute dissolves in a solvent
  9. 17. A gas turning into a liquid when cooled
  10. 18. A reaction where a substance burns usually with oxygen
  11. 21. A type of change where a new substance is formed