8th Grade Science Test 3 Review

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Across
  1. 2. Quantity that is measured in kilograms(kg).
  2. 3. What do close lines on a topographic map reveal?
  3. 4. Forces that do not change the motion of an object.
  4. 5. First name of the scientist who proposed continental drift.
  5. 6. Crust that is thinner and more dense than continental crust.
  6. 7. Energy stored in an object.
  7. 9. Part of the earth that contains the plates.
  8. 10. Boundary where two tectonic plates move away from one another.
  9. 12. mass X acceleration
  10. 14. Produced by the movement of plates at convergent boundaries.
  11. 16. Tendency of an object to resist a change in motion.
  12. 17. Formed by the rising of magma through the Earth's crust and to its surface.
  13. 19. Line that connects point of equal elevation. Line spacing depends on the land's steepness.
  14. 20. Part of the earth that is responsible for the movement of plates.
Down
  1. 1. Supercontinent that was theorized to exist.
  2. 3. Process of one plate sinking below another.
  3. 8. Map that shows the shape of Earth's surface with lines that represent different elevations.
  4. 11. "For every action there is an equal and opposite..."
  5. 13. Process by which water, ice, wind, and gravity remove and transport sediments from one place to another.
  6. 15. Sum of all the forces acting on an object.
  7. 18. A flat line on a distance-time graph shows that an object has come to a ____.