Water is powerful! Because it expands as it freezes, if it does so in a closed system, tremendous pressure can be created. All it takes is a little break to cause the system to explode! It's unlikely that you would submerge a pipe full of water into a bucket of liquid nitrogen in class, but this video shows what can happen when the water inside freezes. Include this clip when teaching the properties of water.

Concepts

properties of water, water, expansion, freezing points

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Additional Tags

properties of water, expansion, freezing, science

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Classroom Considerations

• This video is hosted on YouTube