Beril's Science Crossword Puzzle

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Across
  1. 3. – A force that brings something closer.
  2. 5. – A force that moves something away.
  3. 7. – The planet where we live.
  4. 8. – The part of the cell that gives energy.
  5. 9. – A force that slows things when they rub.
  6. 11. – The cell part that makes proteins.
  7. 14. – The outer cover that protects the cell.
  8. 16. – The very hot center of the Earth.
  9. 17. – A force that pulls things toward Earth.
  10. 18. – Earth’s natural space friend.
Down
  1. 1. – An object that moves around a planet.
  2. 2. – The hot layer around the inner core.
  3. 4. – The cell part that cleans up waste.
  4. 6. – The star that gives us light and heat.
  5. 10. – The smallest living part of plants and animals.
  6. 12. – The layer of Earth between core and its thin outer crust.
  7. 13. – The outermost layer of the Earth
  8. 15. – A unit of force.