Across
- 3. Tectonic plates that grind against each other
- 5. Shaking of the ground when tectonic plates move
- 7. Cracks between tectonic plates are called ____ lines
- 8. The study of earthquakes
- 11. The thickest tectonic plates
- 15. Tectonic plates that separate from each other
- 16. The thinnest tectonic plates
- 19. The scale that measures the damage an earthquake causes
- 20. The name of the continent when all land on Earth was together
Down
- 1. Tectonic plates that crush together
- 2. The centre of an earthquake
- 4. A tool used to measure the size and location of earthquakes
- 6. The Earth is more than 4.5 _____ years old
- 9. These are often found in the same regions as earthquakes
- 10. The crust is broken into large pieces called _____ plates
- 12. The large landmass originally made from Australia, South America, Africa and Antarctica
- 13. The centre layer of the Earth
- 14. The scale that measures the energy of an earthquake
- 17. The solid outer layer of the Earth that tectonic plates are made from
- 18. The liquid layer of the Earth that moves tectonic plates
