Across
- 5. separate solids from liquids
- 6. the point in the crust under the Earth's surface
- 7. shaking of the Earth
- 9. a low lying area along the border land and sea
- 10. a hole
- 13. baby volcano
- 15. burnt material
- 17. the part of a bird used to catch and hold food
- 18. the centre of the Earth
- 19. help fish to breathe
- 20. help fish to swim
Down
- 1. a flat uplifted area of rock
- 2. melted rock
- 3. a con-shaped mountain.
- 4. the layer consists of magma
- 8. the point of the surface above the focus
- 11. magma that reaches the surface of the Earth
- 12. a huge sea wave
- 14. a large hole at the top of a volcano
- 16. a mass of rocks and soil that slides down a slope
- 18. the outer layer of the Earth