Materials needed: large glass jar, string, red food coloring, hot and cold water, paint brush, scissors, narrow neck small bottle.
Fill the small bottle with hot water. Add the food coloring to turn the water bright red. Hold the bottle by the loop of the string.
Fill the small bottle with hot water. Add the food coloring to turn the water bright red. Hold the bottle by the loop of the string.
Lower it gently into the jar of cold water.
The hot red water rises from the bottle like smoke from an erupting volcano.
This is what it looks like when using a large vase.
Related links: Experiment 1: Make a Volcano Erupt
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