SCIENCE!!!!!!!!

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Across
  1. 2. Stored energy.
  2. 5. Large bodies of freshwater surrounded by land.
  3. 6. A force that keeps objects from going on forever.
  4. 7. A force that acts at a distance and cannot be seen.
  5. 10. Friction can be reduced by using this.
  6. 13. A body of water where freshwater meets saltwater.
  7. 14. An energy that depends on the mass an object and how fast it is moving.
  8. 15. A measure of how fast an object is moving.
Down
  1. 1. A force that is the outward force of the object trying to get away.
  2. 3. A force that changes the rate and direction of the motion of objects.
  3. 4. The amount of matter in something.
  4. 8. The force that opposes motion between two surfaces that are touching.
  5. 9. A place that has plants like shrubs,trees,and vines and a variety of animals.
  6. 11. A force that does not change the motion of objects.
  7. 12. A push or pull.