English Vocabulary

4. Movement to and fro or around something,
6. The place inside Earth's crust where an earthquake originates
8. The emission or transmission of energy in the form of waves or particles through space
9. The lowest layer of the atmosphere of the Earth.
10. The available body of facts or information
11. The Permanent winds that blow in the middle latitudes
16. The rigid outer part of the earth, consisting of the crust and upper mantle
17. the process by which heat or electricity is directly transmitted through a substance
18. Process by which heat is transferred by movement of a heated fluid such as air or water.

1. The ionized part of the upper atmosphere of Earth
2. The ozone layer helps protect us from ultraviolet radiation (UV) from the sun
3. The envelope of gases surrounding the earth or another planet
5. A body of water or air moving in a definite direction
7. Relatively narrow bands of strong wind in the upper levels of the atmosphere
12. The point on the earth's surface vertically above the focus of an earthquake.
13. A fracture or zone of fractures between two blocks of rock
14. When two blocks of the earth suddenly slip past one another
15. Study the internal structure of the Earth