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Rising Water Science Experiment

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It feels like a science-y kind of day today, so I want to share with you our latest experiment!  This rising water science experiment is fun and oh-so easy! That’s the best kind. Check out the description at the end. This experiment would be great for explaining how storms work!

Rising Water Science Experiment

How to do the Rising Water Science Experiment

You will need a few supplies:

Large Cork
Wooden Matches
Small Plate
Tall Glass
Water

rising water experiment supplies

Cut the cork in half lengthwise from the top to the bottom. Poke three small holes in the cork and put the three wooden matches into the cork.

rising water science experiment

Place the cork on the plate and fill it with water.

candle water experiment

Light the matches then place the glass over the cork.

rising water candle experiment

The water will be pulled up into the glass and the cork will float up. The matches will be blown out.

rising water- air pressure experiment

 

 

How Does the Rising Water Science Experiment Work?

Air is made up of tons of molecules that are always bumping into each other. The temperature of the air changes the speed of the movement. Warmer air moves more quickly than colder air. When the glass is lowered over the matches, the air begins to warm up. The molecules moved more quickly and many of them escaped making the air less dense. When the glass covered the matches, the matches burned up all of the oxygen and went out.

rising tide experiment

Since the density of the air inside the glass was now less dense, the air on the outside pushed on the glass, the force caused the water to rise in and upwards in the glass.

This same process works for wind on earth. The sun heats up the air causing the air’s density to lower and this creates wind and storms. The cooler high-density air moves into a lower density pocket of air. If there is enough wind (like a hurricane), the water can be lifted up and out of the ocean.

 

I have a huge list of Science Projects and STEM Activities. Check out more of them!

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