Earth Environmental Science Unit 2

123456789101112131415161718192021
Across
  1. 1. The theory explaining how tectonic plates move and shape Earth’s surface.
  2. 5. A boundary where plates move apart.
  3. 7. A boundary where plates slide past each other.
  4. 8. Rocks formed when hot, melted rock (called magma or lava) cools and becomes solid.
  5. 11. The liquid layer surrounding the inner core, also made of metal.
  6. 12. The soft, hot layer of rock found just below the Earth's lithosphere
  7. 14. The place on the surface where an earthquake originates.
  8. 15. Rock that forms into layers over time.
  9. 19. A mountain that forms when magma erupts from Earth’s surface.
  10. 20. A tool that records earthquake waves.
  11. 21. Vibrations that travel through Earth during an earthquake.
Down
  1. 1. Places where tectonic plates meet.
  2. 2. A boundary where plates move toward each other.
  3. 3. When lava, ash, and gases explode from a volcano.
  4. 4. The thick layer of hot rock between Earth’s crust and core.
  5. 6. The process of rocks changing from one type to another over time.
  6. 9. The outermost layer of Earth where we live.
  7. 10. Rock formed from pressure and heat.
  8. 13. A place where magma breaks through the crust away from plate boundaries.
  9. 16. The location underground where an earthquake originates.
  10. 17. The solid center of Earth, made mostly of iron and nickel.
  11. 18. The combination of the crust and uppermost mantle.