Thursday, October 11, 2012

Lesson 18

Today we learned about humidity. Humidity is the density of water viper in the air at any time. It is dependent on air temperature and air pressure. Condensation proves that there is water in the air. The temperature where water vapor condenses tells how much water vapor is in the air. We also learned about relative humidity. Relative humidity is the amount of water vapor in the air compared to the maximum amount of water vapor possible temperature. This is expressed in %.

 

Practice Problems

Why does condensation prove there is water in the air?

The water in the air hits the cold water in a glass and condenses because of the change in temperature, allowing the water vapor to condense onto something.

 

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