| A | B |
| anemometer | instrument used to measure wind speed |
| hygrometer | instrument used to measure humidity |
| barometer | instrument used to measure air pressure |
| thermometer | instrument used to measure temperature |
| rain gauge | instrument used to measure precipitation |
| cumulus clouds | fluffy white clouds, usually indicate fair weather |
| cumulonimbus clouds | large dark clouds that may produce thunderstorms |
| cirrus clouds | feathery clouds associated with fair weather |
| stratus clouds | clouds that cover the whole sky associated with light rain |
| thunderstorm | a storm that involves rain, lightning, thunder, and wind |
| tornado | a storm that has funnel shaped wind storms |
| hurricane | a storm that forms over the ocean and has strong wind and rain |