Plate Motion Unit

123456789101112131415161718
Across
  1. 3. a long, deep indentation in the ocean floor formed when two plates move together
  2. 5. evidence of life from the past, such as fossilized bones, footprints, or leaf prints
  3. 6. one of the very large sections of hard, solid rock that make up Earth’s outer layer
  4. 7. an extinct reptile that lived about 300 million years ago
  5. 8. moving toward the same place
  6. 10. a diagram that shows what the inside of something looks like
  7. 12. to examine in detail for a purpose
  8. 14. how often or fast something happens
  9. 16. something we observe to be similar over and over again
  10. 17. Earth’s outermost layer of hard, solid rock that is underneath the soil, vegetation, and water
  11. 18. moving apart in different directions
Down
  1. 1. the sudden pushing out of something, such as lava from a volcano
  2. 2. an underwater mountain range formed when two plates move apart
  3. 4. any of the many processes (such as eruptions and lava flows) in which gas, lava, and ash are pushed out on the surface of Earth
  4. 9. the place where two plates meet
  5. 11. the layer of soft, solid rock underneath Earth's plates
  6. 13. a feature that forms on the surface of a planet, such as a mountain, channel, or sand dune
  7. 15. a sudden shaking of Earth's surface