The Atmosphere and the Weather

1. Second most common ingredient in air.
3. Most ___ form as air rises and cools.
5. Distance in degrees north or south of the equator.
6. Distance above sea level.
7. Gas in the atmosphere that protects life from harmful effects of ultraviolet radiation.
8. Condition of Earth's atmosphere at a particular time and place.
11. A whole layer of air that surrounds Earth.
13. Amount of mass in a given volume of a substance.
15. Process by which a liquid changes into a gas.
16. Layer of the atmosphere starting at about 90 km above Earth's surface. The air in this layer becomes very hot because the molecules absorb space and solar radiation.
19. Layer of the atmosphere where ozone is. Its temperature increases as you go upward.
20. Warmer air...
23. Process by which a gas, such as water vapor, changes into a liquid.
24. Periods of the year associated with specific weather conditions.
27. Radiation from the Sun having less energy than visible light.
29. ___Effect.Some gases in the atmosphere absorb and emit infrared radiation, which keeps energy in Earth's system for a while.
30. Energy that travels across distances in the form of certain types of waves.

2. If you were to write a recipe for air, you would include ___ as the main ingredient.
4. Radiation from the Sun having more energy than visible light.
8. Air that moves horizontally or parallel to the ground.
9. Amount of water vapor in the air.
10. Any type of liquid or solid water that falls to Earth's surface.
12. Ongoing processes by which living things continually exchange materials in solid and liquid form with the environment, and that repeat over and over.
14. Characteristic weather conditions in a place over a long period.
17. Layer of the atmosphere that is nearest to the Earth's surface and is warmed from below by the ground.
18. Layer of the atmosphere containing less than 0.1% of the atmosphere's mass. The temperature decreases as you rise.
21. Air ___ is the force of air molecules pushing on an area.
22. Cooler air...
25. ___ Changes. Dramatic events that may cause changes in the atmosphere. Include volcanic eruptions, forest fires, and dust storms.
26. Transfer of energy from place to place by the motion of gas or liquid.
28. Transfer of heat energy from one substance to another by direct contact.