| A | B |
| ice cap climate | climate that is bitterly cold with no vegetation |
| ground water | water below the earth's surface |
| evaporation | the sun's heat turn water into vapor |
| rain shadow | dry area on the inland (leeward) side of coastal mountains |
| steppes | partly dry grasslands that surround many deserts |
| timberline | elevation above which no trees will grow |
| vegetation | plant life |
| tundra climate | a climate that is harsh, cold and dry |
| desert climate | climate that has fewer than 10 inches (25.4 cm) of rain per year |
| humid subtropical climate | hot, humid summers, with short mild winters |
| Pacific Ocean | the largest, deepest ocean |
| water cycle | the constant movement of Earth's water from oceans to air to land |
| glaciers and ice caps | where most of Earth's fresh water is found |
| precipitation | rain, snow, and sleet |
| latitude | A region's climate is determined by movement of air, movement of water currents, and... |
| tropics | regions near the Equator where the sun's rays are directly overhead year-round |
| climate | determines the amount of water a place receives |
| Gulf Stream | large, warm water ocean current |
| hurricanes | tropical storms systems in the Atlantic Ocean and Caribbean Sea |
| all year | A tropical rain forest climate growing season lasts... |
| monsoons | seasonal winds that bring rain to South Asia |
| typhoons | tropical storm systems in the Eastern Pacific Ocean |
| freshwater | water most important to humans |
| aquifer | underground rock layer that stores water |
| tropics | climate region at low latitudes near the Equator |
| salt water | the water in the oceans |
| permafrost | layers of soil that remain frozen all year long |
| deserts | Earth's driest areas |
| tundra | vast rolling plain without trees |
| glacier | large mass of frozen water |
| mid-latitudes | Most of the world's people live in this major climate region. |
| Amazon River Basin | world's largest rain forest area |
| mid-latitudes | Greatest variety of climates is found in this major climate region. |
| high latitude | Tundra climate is found in this major climate region |
| water vapor | water in the form of gas |
| condensation | water vapor changes into liquid |
| weather | constant changes in the air over a short period of time |
| climate | usual pattern of weather events in an area over a long period of time |
| rain forest | area of high heat and frequent rain, and lush vegetation |
| savanna | broad grassland with few trees |
| marine west coast climate | coastal area where winds blow from the ocean |
| humid continental climate | inland area with long, cold, snowy winters and short, hot summers |
| elevation | height above sea level |