unit 3 Part a
Across
- 2. the amount of water running through a pipe or over a waterfall.
- 5. a shaking or vibrating of the earth’s crust.
- 7. a large ocean wave caused by an earthquake or a volcano.
- 8. of rock layers.
- 10. electricity generated by waterpower.
- 15. hot molten rock that comes to the earth’s surface through a volcano or other crack in the earth’s crust
- 16. a cone-shaped mountain formed by the erupting material.
- 17. the energy of motion.
- 19. a large sheet of slowly moving ice
- 21. hot molten rock located below the earth’s surface.
- 22. the distance that water falls at a waterfall or dam.
- 23. the outer layer of the earth
- 24. the power to do work occurring in forms like heat, light, and sound.
Down
- 1. energy that is ready to be used such as the energy of water behind a dam.
- 3. a series of creatures in which smaller members are eaten by larger members
- 4. a crack in the earth’s crust where the rock layers shift from time to time.
- 6. a shaking of the earth’s crust believed to result from the
- 9. an instrument that detects and records tremors in the earth’s crust.
- 11. a channel of moving water in the ocean, influenced by winds and by water temperature.
- 12. a moving ridge of water such as is common on the ocean surface.
- 13. tiny plants and animals drifting in the ocean and used as food by fish.
- 14. small, rounded pieces of ice that form high in a thunderhead and fall to the earth.
- 18. a huge rotating tropical storm with winds of at least 75 miles per hour
- 20. a powerful discharge of static electricity between clouds or between a cloud and the ground.