Physical Science

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Across
  1. 1. This force causes motion to occur
  2. 3. Something that has mass and takes up space
  3. 7. Cutting paper in half is a
  4. 9. The unit for force
  5. 10. Solid, liquid, gas
  6. 11. the straight line path of travel
  7. 12. The energy of an object due to its motion
  8. 13. Water(H2O) and Salt (NaCl) are
  9. 14. Elements are organized into groups and periods on the
  10. 17. A push or pull on an object
  11. 19. Reaction that releases energy
  12. 20. The change in speed, direction, or both
Down
  1. 2. Reaction that absorbs energy
  2. 4. For every action, there is an equal and opposite reaction
  3. 5. When two single elements combine to create one compound
  4. 6. From radio waves to gamma rays
  5. 8. When one compound is broken down into two simpler elements
  6. 15. The energy of an object due to its position
  7. 16. A disturbance that transfers energy
  8. 18. Hydrogen, carbon, oxygen, and helium are