Across
- 1. The outer layer of earth
- 4. A boundary where two plates slide past each other, often causing earthquakes.
- 6. A boundary where plates move apart and new land is formed.
- 7. The supercontinent that existed about 200 million years ago.
- 8. Plates that form Earth’s land masses.
- 9. Plates. Plates that make up the ocean floor.
Down
- 1. Currents Circular movements of magma that drag the plates across Earth’s surface.
- 2. Theory that continents slowly move across Earth over millions of years.
- 3. A boundary where an oceanic and continental plate collide, destroying crust.
- 5. The layer beneath the crust, made of semi-molten rock called magma.
- 10. The central part of Earth, divided into two layers.