Science Crossword Puzzle

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Across
  1. 3. A force from a surface when an object moves across it.
  2. 6. The process of turning liquid water into water vapor.
  3. 11. A large, moving body of ice.
  4. 12. To move faster and faster.
  5. 13. The force that attracts an object towards the center of Earth.
  6. 14. An extremely small piece off matter.
  7. 15. A high landform that often has rounded tops. Not as high as a mountain.
  8. 17. Take in or soak up.
Down
  1. 1. The imaginary line that separates the two hemispheres of Earth.
  2. 2. The air around Earth or another planet.
  3. 4. A hole in the surface of a planter or a moon caused by a large object that crashed into it.
  4. 5. A low, narrow area between hills or mountains.
  5. 7. Relating to heat or temperature.
  6. 8. The process of water particles falling back to Earth.
  7. 9. The measurement of how much matter an object has.
  8. 10. To make longer without tearing or breaking.
  9. 16. Land that is completely surrounded by water.