Physical Science Unit 1 Review

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Across
  1. 2. Anything that has mass and takes up space
  2. 4. Amount of space an object takes up
  3. 9. Ratio of mass to the volume of an object
  4. 11. Number of protons in an atom
  5. 12. Substance that can't be broke down by chemical means
  6. 14. Orbits the nucleus with a negative charge
  7. 15. Number of protons and neutrons in an atom
Down
  1. 1. Force that holds atoms together
  2. 3. Compound or element made up of 1 element
  3. 5. Contained in nucleus with a neutral charge
  4. 6. Substance made up of two or more different elements
  5. 7. Gravitational force exerted on an object
  6. 8. Smallest unit of a compound or element
  7. 10. Contained in nucleus with a positive charge
  8. 13. Soiid whose atoms are arranged in regular pattern
  9. 16. Amount of matter in an object