Across
- 1. A wide, gently sloped cone that forms from flows of lave.
- 2. Hot molten rock below Earth's surface.
- 4. The sliding of a denser Ocean plate under another plate when they collide.
- 5. A steep sided cone that forms from explosive eruptions of hot rocks, ranging from particles to boulders.
- 6. Heat from below Earth's surface.
- 9. The idea that many kinds of rocks form flat horizontal layers.
- 12. Earth's solid, rocky surface containing the continents and ocean floor.
- 13. A cone firmed from explosive eruptions of hot rocks followed by a flow of lava, over and over.
Down
- 1. The idea that new crust is forming at ridges in the sea floor, Spreading apart the crust on either side of the ridges.
- 2. The layer beneath Earth's crust.
- 3. A very hot part of the Sun's Mantle, Where magma can melt through a plate moving above it.
- 5. The idea that a super continent split apart into pieces (The Continents) Which drifted in time to their present locations.
- 7. The idea that Earth's surface is broken plates that slide slowly across the mantle.
- 8. Magma that reaches Earth's surface and flows out of a vent.
- 10. The central opening in a volcanic area through which magma, may escape.
- 11. A cup like hollow that forms at the top of a volcano around the vent.