7th Grade Sci Review

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Across
  1. 2. This is the smallest unit of matter
  2. 3. A white substance that forms sedimentary rocks; it comes from tiny ocean animals
  3. 6. The form matter is in
  4. 7. What you are
  5. 8. What kind of property has to do with how a substance behaves in a reaction
  6. 10. "A property is a ___ characteristic of matter"
  7. 12. What is two or more substances?
  8. 13. A physical property; the ability to dissolve into something else
  9. 14. Sugar, ___, and soap dissolve in water
  10. 15. What dissolves
  11. 17. "I'm going to ___ this!"
  12. 18. ___ dissolves ___
  13. 20. This is only made up of one kind of element or molecule
Down
  1. 1. A good conclusion is backed by ___
  2. 4. Our idea of what's true before we do an experiment
  3. 5. What kind of property helps us define matter?
  4. 9. How does matter change?
  5. 11. "A good scientific question is specific and ___"
  6. 14. What does the dissolving
  7. 15. This is not a property
  8. 16. We know copper chloride reacted with aluminum because there was a change in ___ and temperature
  9. 19. Butter, ___, and gasoline dissolve in oil
  10. 20. A substance will be the ___ all the way through