Across
- 6. what plate tectonics are made of
- 8. the rigid outer part of the Earth
Down
- 1. what is formed when cracks in the Earth are made and magma can rise through
- 2. currents the movement of tectonics plates, made by heat and pressure
- 3. the line formed by the intersection of a horizontal plane and inclined surface
- 4. a stress which stretches rock in 2 opposite directions
- 5. the border between 2 plates
- 7. tectonics the Earth's surface is cracked into large pieces