Materials needed: large glass jar, string, red food coloring, hot and cold water, paint brush, scissors, narrow neck small bottle.
Hold the bottle by the loop of the string. Lower it gently into the jar of cold water.
Fill the small bottle with hot water. Add the food coloring to turn the water bright red.
The hot red water rises from the bottle like smoke from an erupting volca
no.
This is what it looks like when using a large vase.
Mini Lesson
Science Behind It
Standards
