Pangaea & Plate Tectonics
Across
- 2. This layer cools down the mantle's rock causing it to sink.
- 5. The name of the theory that states all the continents were once joined together and then slowly drifted apart.
- 7. A synonym or another name for the sun's energy.
- 8. The name of the theory that states earth's surface is broken up into large, rigid pieces called plates.
- 11. During convection currents, cold semisolid rock in the mantle will _________.
- 12. The specific layer of earth where convection currents occur that move the plates.
- 13. The name of the most recent supercontinent.
- 14. How many continents make up planet earth?
- 15. The warming circulations that occur in the mantle which moves the plates and land above.
Down
- 1. South America and Africa have the same exact Mesosaurus __________ proving they were once connected.
- 3. During convection currents, hot semisolid rock in the mantle will _________.
- 4. Past ____________ evidence such as coal deposits, plant fossils, or reptile bones prove Antarctica used to be warm and near the equator.
- 6. America and Europe have ___________ ranges that are made of the exact same type of rock proving it used to be connected.
- 9. This layer heats up the mantle's rock causing it to rise.
- 10. The __________ of the continents fit together like puzzle pieces proving they used to be connected.