Across
- 1. when a volcano explodes and throws out smoke, rocks and lava
- 2. one of many sheet of rock that make up the earth crust
- 4. you do it without being told
- 6. the force when something pushes against something
- 9. the middle part of something
- 12. melted rock inside a volcano, under the earth's surface
- 13. A mountain that can erupt, through a large hole called a crater
- 14. an act of power or strength. It has the ability to change the motion of objects
- 18. a series of huge, dangerous ocean waves
- 19. where land meets the edge of an ocean, river or lake
Down
- 1. a sudden violent shaking of the earth's surface
- 3. when you save someone or something from danger
- 5. a piece of stone
- 7. something that tells you what to do
- 8. to build or grow something overtime
- 10. tell someone that something bad might happen
- 11. a vibration through the air or water
- 15. to make something new
- 16. to move slowly and easily
- 17. a piece of land surrounded by water