Science Words

12345678910
Across
  1. 3. plate boundary where two plates move away from each other.
  2. 7. hypothesis that the continents slowly move across Earth's surface.
  3. 8. force that slowly wears away mountains and other features on the surface of Earth.
  4. 10. rigid layer made up of the uppermost part of the mantle and the crust.
Down
  1. 1. plastic-like layer on the mantle on which the lithosphere floats.
  2. 2. force that builds up mountains and landmasses on Earth's surface.
  3. 4. deep valley along the ocean floor through which oceanic crust slowly sinks towards the mantle.
  4. 5. outermost layer
  5. 6. shaking that results from the movement of rock beneath Earth's surface.
  6. 9. vibration that travels through Earth carrying the energy released during an earthquake.