She could also tell us about how movies are made and how to become an author and a great science teacher. I hope that I have convinced you to vote for Miss Frizzle to be our guest speaker. Please choose her as our yearly guest speaker. The air has different amounts of water vapor in it at different times. The amount of water vapor that the air can hold changes with the air temperature.
Warm air can hold more water vapor than cold air can.
If warm air holding a large amount of water vapor suddenly cools near the ground, fog forms. Clouds - By Selena Clouds are formed by a gas or liquid called water vapor. A cloud is made by tiny drops of water. Clouds might look white and fluffy like cotton balls. These clouds are called cumulus clouds.