Ch 12 Earth-Space

3. Large masses of air with same temp and humidity
5. Long period of lower than normal rainfall.
7. Period when Earth's temperatures are cooler than normal and glaciers spread into lower altitudes.
12. Cold, nutrient-rich water that rises from oceanic depths.
13. Wind that occurs around the Earth in belts.
14. Climates that receive very little rainfall.
15. How hot it is.
17. Change from liquid to gas.
18. A local climate that is different from the regional climate.
20. The amount of water vapor held in the air.

1. Distance above sea level.
2. Climate found around the equator.
4. Permanently frozen ground in polar rregions.
6. Large sheets of slowly moving ice.
8. Average weather in a region over a long period.
9. Treeless area of the Arctic with very cold, harsh winters and permafrost.
10. Receive less that 25cm of yearly precipitation.
11. Temporary conditions of the atmosphere.
16. Process where water falls from the atmosphere.
19. Large storms with high winds and heavy rainfall that develop over warm ocean water.