Brady's Science Crossword Puzzle

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Across
  1. 4. the ease and speed with which an element combines, or reacts, with other elements and compounds
  2. 5. the ability of materials to burn in the presence of oxygen
  3. 8. anything that has mass and takes up space
  4. 9. matter with a definite shape and volume
  5. 10. A state of matter with no definite shape or volume
  6. 12. mass per unit of volume
  7. 13. the amount of space an object takes up
Down
  1. 1. properties the characteristics of a substance that can be observed or measured without changing the substance
  2. 2. the change of state from a liquid to a gas
  3. 3. the ability of one substance to be dissolved in another substance
  4. 5. The change of state from a gas to a liquid
  5. 6. the amount of matter in an object
  6. 7. a state of matter that has no definite shape but has a definite volume
  7. 11. a measure of the gravitational force exerted on an object