science

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Across
  1. 4. phases of the moon
  2. 10. a change in the environment
  3. 11. a force that pull you down
  4. 12. a web that shows the passing of energy
Down
  1. 1. the changing of energy
  2. 2. the earth going around the sun
  3. 3. explains the three laws of motion
  4. 5. what the planets revolve around
  5. 6. the measurement of how tightly a material is packed together
  6. 7. the sum of all forces acting on an object
  7. 8. the earth spinning
  8. 9. a chart of all the elements