Mid-Term Review

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Across
  1. 4. The total force upon an object.
  2. 5. The reactivity or stability of an element.
  3. 6. The smallest part of matter.
  4. 8. The center of the atom.
  5. 10. Rows from left to right on the periodic table.
  6. 13. A subatomic particle with a negative charge.
  7. 15. The dropping of sediment in a new place.
  8. 17. A subatomic particle with a positive charge.
  9. 18. A subatomic particle with no charge
  10. 20. The force that pulls everything to the surface of the earth.
Down
  1. 1. Shatters easily.
  2. 2. A push or a pull upon an object
  3. 3. The supercontinent all of the continents broke apart from millions of years ago.
  4. 7. Can be hammered into a thin sheet.
  5. 9. The breaking down of rock.
  6. 11. Columns up and down on the periodic table.
  7. 12. Can be pulled into a wire.
  8. 14. Electricity can pass through it.
  9. 16. Electricity and heat cannot pass through.
  10. 19. The movement of sediment from broken rock.