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How to make a cloud in a jar

Create clouds indoors using a jar, water, matches, and a bag of ice.
Credit: Thomasseau, Allison
Create a cloud in a jar by lighting a match over water and then covering the jar with a bag of ice.

KING 5 Meteorologist showed elementary students at King’s Elementary in Shoreline how to make a cloud inside a jar Thursday.

Dery started with just four objects: Water in a jar, a bag of ice, and matches. Dery first lit the match over the water to create smoke particles.

By putting a bag of ice on top of the jar, it demonstrated the water molecules getting colder and higher, which are conditions to make a cloud.

As the water molecules get higher, they attach to particles in the air, such as smoke, and condense to create foggy conditions.

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