vocabulary week 1

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Across
  1. 2. how much it used gravity
  2. 3. to or more elements combinding
  3. 4. to mix
  4. 5. a basic unit that everything is made
  5. 7. how much the matter takes up
  6. 11. look at something without change
  7. 12. how easy it is that a thing changes
  8. 14. a fancy word for toxicity
  9. 15. the name of two atoms
Down
  1. 1. when you hit something and it reacts
  2. 6. a single kind matter that has makeup
  3. 8. the amount of matter in a object
  4. 9. the basic unit of life
  5. 10. the scientific word for stuff
  6. 13. One type of atom