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What is Weather?
science what is weather vocab
| Term | Definition |
|---|---|
| air | the mixture of gasses surrounding Earth |
| air pressure | the force exerted on a surface by the mass of the air above it |
| atmosphere | the layer of gasses surrounding Earth. Its layers include the troposhere, stratosphere, mesosphere, thermosphere, and exosphere |
| compress | to push particles closer together |
| expand | to get bigger: to take up more space |
| forecast | to predict future events or conditions, such as weather |
| humidity | water vapor in the air |
| matter | anything that has mass and takes up space |
| meteorologist | a scientist that studies weather |
| meteorology | the scientific study of weather |
| particle | an atom or a molecule: what everything is made of |
| precipitation | rain, snow, sleet, or hail that falls to the ground |
| prediction | an estimation about a future event based on data or experience |
| pressure | a continuous force applied to the surface of an object, measured in units per square area |
| severe weather | out-of-the-ordinary and extreme weather conditions |