| A | B |
| climate | average weather for a place over a long period of time |
| weather is to days as climate is to | years |
| Tropics | From 23.5 South to 23.5 North |
| Temperate Zone | located between the tropics and the polar zone |
| Rain Shadow | rising air cools and drops moisture on one side of a mountain |
| Heat islands usually form around | large cities |
| Vegetation | What Wladimir Koppen's climate system is based on |
| adaptation | any behavioral or structural change that helps an organism survive |
| hibernation | when body temperature and processes drop to a minimum |
| Seasons | short term periods of climate change |
| El Nino | warming of the ocean waters in the Pacific near Peru |
| Interglacials | warm periods between glaciers |
| How long does an interglacial usually last? | 12,000 years |
| greenhouse effect | natual heating caused by gasses in the atmosphere |
| global warming | the rise of global temperatures |
| How much of the earth is desert? | 15% |
| carbon dioxide | a greenhouse gas that should be watched more |
| What percent of the earth is oceans? | 70% |
| What is thought to be the source of most ocean water? | volcanoes |
| salinity | measure of the amounts of solids in ocean water |
| mass movement of ocean water | ocean current |
| Gulf Stream | warm current off the U.S. Atlantic coast |
| wave | rhythmic movement that carries energy through matter or space |
| crest | the highpoint of a wave |
| trough | lowest point of a wave |
| What causes tides | the moon |
| Tide | giant wave 1 to 2 m high but thousands of km long |