Puzzle #1

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Across
  1. 2. a form of matter that have their own definite shape and volume
  2. 5. a form of matter that have an indefinite volume but shape; completely fill their container.
  3. 6. a combination of pure substances where each substance retains it properties.
  4. 8. a substance that cannot be separated into simpler substances by chemical or physical means.
  5. 9. A measure of the amount of matter in a substance
  6. 10. a standard for comparison in the experiment
Down
  1. 1. two or more elements combined by chemical means
  2. 3. The measure of the effect of gravity on a mass
  3. 4. Everything; has mass and takes up space
  4. 7. Study of matter and its changes
  5. 11. a form of matter that have a definite volume but indefinite shape; take the shape of their container.