Across
- 3. Evidence for plate tectonics included the presence of __________ of the same plants and animals on continents where they used to join.
- 4. The type of plate boundary where the plates move towards each other are known as c______________ boundaries.
- 7. A wave formed when the epicentre of an earthquake is under the ocean floor.
- 8. The type of natural disaster caused by plates trying to slide past each other.
- 10. Smaller earthquakes that occur as slabs of rock try to settle into a stable position after an earthquake.
- 12. The type of plate boundary where the plates move away from each other are known as d_____________ boundaries.
- 13. Created when tectonic plates try to slide past each other.
Down
- 1. The scale that measures the size of an earthquake (starts at 0, with an increase of one unit representing a 10 times increase in the size of the Earthquake).
- 2. Large pieces of rock blown out of a volcano are known as _________ bombs.
- 4. _____________ currents cause the movement of tectonic plates.
- 5. Pressure from gases in the mantle squeezes molten rock upwards until the surface of the Earth swells and explodes.
- 6. The name given to magma when it emerges from a volcano.
- 7. Alfred Wegener developed the theory of plate _____________.
- 9. The point on the Earth’s surface that is directly above the focus of an earthquake.
- 11. Hot liquid rock in the mantle __________ due to a lower density.