Crossword Puzzle

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Across
  1. 1. A substance made of two or more elements that are chemically combined in a set radio.
  2. 3. substances that are made up of only one type of atom
  3. 4. A single kind of matter that always has a specific kind of makeup.
  4. 5. characteristics that describe the ability of a substance to become something else.
  5. 6. A measure of the force of gravity on an object.
  6. 7. The basic unit from which all matter is made.
  7. 8. The amount of matter in an object.
  8. 10. when an organism reacts or responds to a change in a physical state or environment.
  9. 12. The basic unit of life.
  10. 13. is made up of two or more substances that are together in the same place.
Down
  1. 2. A characteristic that can be observed without changing the matter into another type of matter.
  2. 4. How easily a substance dissolves in another substance.
  3. 8. The scientific word for stuff.
  4. 9. The amount of space that matter occupies.
  5. 11. A group of two or more atoms held together by chemical bonds.