| A | B |
| weather | Changes in temperature, wind speed and direction, and air moisture that take place over a short period of time |
| climate | the pattern of weather that takes place in an area over many years |
| prevailing winds | wind patterns that are similar over time |
| current | A steadily flowing stream of water in the ocean |
| local wind | a wind pattern typical of a small area |
| rain shadow | the effect of mountains that block rain from reaching interior regions |
| climate zone | an area that have similar patterns of temperature and rainfall and may have similar vegetation. |
| urban climate | Weather patterns in cities, including higher temperatures and distinct wind patterns, as compared to nearby rural areas |
| smog | A thick haze of smoke and chemicals |
| acid rain | this forms when chemicals from air pollution combine with precipitation |
| greenhouse effect | The buildup of certain gases in the Earth’s atmosphere that, like a greenhouse retain the sun’s warmth |
| crop rotation | changing what is planted in a field from year to year |
| deforestation | The cutting down of forests without planting new trees |
| irrigation | The process of collecting water and distributing it to crops |
| pesticides | Powerful chemicals that kill crop destroying insects |