| Term | Definition |
| weather | the condition of the atmosphere at a particular location and time |
| climate | weather conditions at a particular location over a long period of time |
| precipitation | falling water droplets in the form of rain, sleet, snow, or hail |
| rain shadow | the land on the leeward side |
| hurricane | a severe storm located over warm tropical oceans that pick up energy |
| typhoon | same as a hurricane but located in Asia |
| tornado | a powerful funnel-shaped column of air that throws debris |
| blizzard | a heavy snowstorm with high winds and reduced visibility |
| drought | A long period of time without rain or with very minimal rainfall |
| convection | When currents transfer heat |
| El Nino | A natural change in climate off the west coast of South America |
| Greenhouse Effect | When gases get trapped in the atmosphere which heats up the earth |
| tundra | the flat treeless lands forming a ring around the Arctic Ocean |
| permafrost | permanently frozen ground |
| ecosystem | an interdependent community of plants and animals |
| biome | a regional ecosystem |
| deciduous | Broadleaf trees, such as maple, oak, birch, and cottonwood. |
| rain forest | Located in the tropical zone & is covered in heavy concentration of broadleaf trees. |
| coniferous | Cone bearing trees. |
| savannah | Flat grassy treeless plains. |
| steppe | A plain without any trees filled with grass |