Across
- 3. Airplanes and jets fly in this layer
- 7. The most outermost layer of earth's atmosphere
- 8. Absorbs most of the ultraviolet radiation reaching the earth from the sun
- 11. Without this gas getting to the brain our cells will begin to die
- 12. Negative effects include increases in certain types of skin cancers and eye damage
- 13. A source of transportation normally for long distant travels
- 14. A body orbiting the earth or another planet to collect information or to communicate
- 15. a small body of matter from outer space that enters the earth's atmosphere that looks like a streak of light
- 16. A gas composed of three atoms of oxygen
Down
- 1. any of a class of compounds of carbon, hydrogen, chlorine, and fluorine
- 2. The ozone and other layers which make up the Earth's sky as we see it
- 4. Where life goes on and the layer where most of the weather occurs
- 5. The fourth layer of the Earth's atmosphere that absorbs The sun's radiation which make it reallly hot
- 6. the state of the atmosphere at a place and time as regards heat, rain, snow and more
- 9. This is where the ozone hole is located
- 10. Directly above the stratosphere and below the thermosphere
