matter vocab

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Across
  1. 4. a substance that's formed when 2 or more elements combine
  2. 5. a chemical reaction that gives off heat energy
  3. 7. when molecules have the ability to stick
  4. 8. the smallest unit of an element that has the properties of it
  5. 9. a change in matter that isn't chemically
  6. 10. a chemical reaction that absorbs heat
  7. 12. a measure of the average kinetic energy
  8. 13. the forces that hold atoms together
  9. 14. something that makes up space and has mass
  10. 15. a combination of 2 or more substances that can be easily separated
  11. 16. the study of the make up of all things
Down
  1. 1. the amount of space that something takes up
  2. 2. a pure substance that cannot be broken down any more
  3. 3. ex) texture color odor melting point etc..
  4. 4. a process that changes substances into a new one
  5. 6. the amount of matter in an object
  6. 7. a characteristic of a substance that is measurable during a chemical reaction
  7. 11. the substances present before a chemical reaction occurs