science

2. MOUNTAIN — A mountain formed by volcanic activity.
4. — The movement and interaction of Earth's plates.
7. CORE — The liquid layer surrounding Earth's inner core.
8. — The place underground where an earthquake begins.
12. — A crack in Earth's crust where rocks move.
14. — Molten rock that reaches Earth's surface.
15. — An instrument used to record earthquake waves.
17. — Fine volcanic material thrown into the air during an eruption.
19. — Hot, melted rock beneath Earth's surface.
21. — A scientist who studies earthquakes.
22. — The movement of material caused by differences in temperature and density.
24. — A type of rock formed when molten rock cools and hardens.
27. — The point on Earth's surface above an earthquake's focus.
30. — The release of lava, ash and gases from a volcano.
32. — A large piece of Earth's outer shell.
33. — A bowl-shaped opening at the top of a volcano.
34. — An opening where volcanic gases and lava escape.
35. — Describes a boundary where tectonic plates move towards each other.
36. — The centre of the Earth.
37. — Describes a boundary where tectonic plates slide past each other.

1. — The layer beneath the crust.
3. — The rigid outer layer broken into tectonic plates.
5. CONE — A volcano shaped like a cone with steep sides.
6. — The process in which one tectonic plate moves beneath another.
9. ENERGY — Energy released during an earthquake.
10. FLOW — A fast-moving mixture of hot gas, ash and rock from a volcano.
11. — Molten rock beneath Earth's surface.
13. — A huge ocean wave sometimes caused by an earthquake.
14. — Earth's rigid outer layer.
16. — A sudden shaking of the ground.
18. — The study of Earth's structure, materials and processes.
20. — The process of rock breaking down at Earth's surface.
22. — The outermost layer of the Earth.
23. — Vibrations that carry earthquake energy.
24. CORE — The solid, innermost part of Earth.
25. — The name of a scale historically used to measure earthquake magnitude.
26. — Describes a volcano that is erupting or may erupt again.
28. — An opening in Earth's crust where lava escapes.
29. — Describes a boundary where tectonic plates move apart.
31. — The thick layer of rock between Earth's crust and core.