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Thursday

Cloud in a Bottle

Here's a quick and easy science project you can do: make a cloud inside a bottle. Clouds form when water vapour forms tiny visible droplets. This results from cooling the vapour. It helps to provide particles around which the water can liquefy. In this project, we’ll use smoke to help form a cloud.

 

You need: a one-litre bottle, warm water, match

 

Pour just enough warm water in the bottle to cover the bottom of the container.

 

Light the match and place the match head inside the bottle.

 

Allow the bottle to fill with smoke. Cap the bottle.

 

Squeeze the bottle really hard a few times. When you release the bottle, you should see the cloud form. It may disappear between “squeezes”.

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