7th Grade Chemistry Crossword Puzzle

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Across
  1. 5. A particle of matter represented with two or more atoms bonded together.
  2. 7. A type of matter made of all the same type of atom.
  3. 8. The amount of stuff in an object.
  4. 9. The mass of an object if it occupied 1 ml of space.
  5. 10. The amount of space an object takes up.
  6. 11. A particle of matter represented with a dot or a sphere.
  7. 13. A process where old stuff is changed into new stuff with different properties.
Down
  1. 1. A characteristic that is always true about a substance.
  2. 2. A measure of how well one substance dissolves or disappears in a liquid.
  3. 3. A property of an object that is measured by scratching it.
  4. 4. The temperature at which a solid object changes to a liquid.
  5. 5. A type of matter made of two or more different types of particles.
  6. 6. A tool used to measure the melting point of a substance.
  7. 12. When a solid object changes to a liquid.