1. Mrs. Horn 5 th Grade Science 3 rd Nine Weeks

2. Temperature Meteorologist- scientist who studies weather Thermometer- measures air temperature and tells how warm the air is

3. Precipitation Precipitation- water that falls from clouds in the form of rain, snow, sleet, or hail Rain gauge- measures the amount of rain that falls

4. Wind Speed Anemometer - measures wind speed or force

5. Air Pressure Air pressure- weight of the atmosphere pressing in all directions at a certain place Barometer- a tool that measures air pressure Particles close together= high pressure (fair) Particles far apart= low pressure (rain/stormy)

6. Humidity Humidity- the amount of water vapor in the air When humidity is high, there is a lot of water vapor. When humidity is low, there is little water vapor in the air. Hygrometer- a tool that measures humidity