Across
- 2. What is the study of planet Earth?
- 4. Theory A well tested concept that explains a wide range of observations is?
- 8. The name of the single landmass that broke apart 200 million years ago is?
- 9. A deep valley that forms where two plates move apart is?
- 10. A dark dense igneous rock found in the oceanic crust is?
Down
- 1. The hypothesis that the continents slowly move across Earth’s surface is?
- 3. Wave A vibration that travels through Earth carrying energy that is released during an earthquake is?
- 5. A section of the lithosphere that slowly moves over the asthenosphere carrying pieces of continental oceanic crust is?
- 6. The layer of hot solid material between Earth’s crust and core is?
- 7. A break in Earth’s crust where slabs of rock slip past each other is?