Earth Test

12345678910111213141516171819202122232425
Across
  1. 3. A volcano that is currently showing signs of activity.
  2. 5. The supercontinent that Alfred Wegener described in his Theory of Continental Drift
  3. 8. Tectonic plates are moving because of _____________ currents taking place in the asthenosphere
  4. 10. The rock type created underground by heat and pressure.
  5. 12. Nice, clear weather is expected during a ___________ pressure system.
  6. 14. The type of front that is represented by blue triangles moving towards an area.
  7. 16. The fast moving current of gas and volcanic ash in an explosive eruption is known as ______________ flow.
  8. 18. A volcano that has not erupted in a long time but could erupt again in the future.
  9. 20. The step of the water cycle where water flows over the ground and collects.
  10. 23. ___________________ forces build up the Earth's surface (Example: lava hardening to igneous rock)
  11. 24. Small pieces of rock that are formed by weathering and erosion.
  12. 25. Molten rock found under the Earth's surface.
Down
  1. 1. When two tectonic plates slide next to each other creating stress, it is a ____________ boundary.
  2. 2. The process that takes place at a convergent boundary where one plate goes under the other
  3. 4. The lithosphere is broken into puzzle pieces known as _____________ plates.
  4. 6. The layer of the Earth made of solid metal is the _________ core.
  5. 7. The type of weather front that is represented by red semicircles moving towards an area.
  6. 9. An organism that is able to create its own energy.
  7. 11. A volcano that will never erupt again.
  8. 13. The step of the water cycle where liquid water changes to water vapor (gas).
  9. 15. The role a mushroom plays in a food web.
  10. 17. Giant ocean waves that can be triggered by earthquakes and underwater volcanic eruptions.
  11. 19. The boundary type created when two tectonic plates divide
  12. 21. The location under Earth's surface where rock gets to its "breaking point" causing an earthquake (aka: hypocenter)
  13. 22. Energy released during an earthquake travels in ____________ waves.