Across
- 2. or colored alcohol.
- 4. radiation- wavelengths given off by the sun that are shorter than violet
- 6. form of oxygen that results when gases react in the sunlight.
- 9. elevation, is the distance above sea level.
- 11. the amount of mass in a given space; mass per unit volume.
- 13. warming- a theory that predicts that an increase in carbon dioxide will cause
- 14. condition of earth's atmosphere at a particular time and place.
- 16. layer- a layer of the upper atmosphere that protects people from the
- 17. a thin glass tube with a bulb on one end that contains a liquid, usually
Down
- 1. an instrument that measures changes in air pressure.
- 3. effect- the trapping of heat near Earth’s surface.
- 5. average temperature to rise.
- 7. pressure- the result of the weight of a column of air pushing down on an area.
- 8. - the average amount of energy of motion of each molecule of a
- 9. the mixture of gases that surround earth.The outermost of the five spheres into which scientists divide the earth
- 10. Vapor-A water in the form of gas.
- 12. the inner layer of Earth’s atmosphere.
- 15. of too much ultraviolet radiation.