| vocabulary word | definition |
| convection current | when solids, gases, or liquids rise and sink in a looping path |
| air mass | a large body of air with similar properties all through it |
| front | a boundary between two air masses |
| anemometer | a tool used to measure wind speed |
| barometer | a tool used to measure air pressure |
| rain gauge | a tool used to measure how much rain has fallen |
| climate | the average of weather conditions over a long time |
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Science Vocab 147928
