IS THERE AIR IN ROCKS?
In this fun and easy geology science experiment, we’re going to try and determine if there is air in rocks.
Materials:
- Lava rocks, broken bricks or clay, or other porous rocks
- Clear two liter bottle
- Scissors
- Water
- Magnifying glass
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Instructions:
- Remove the label from the two liter bottle.
- Carefully cut the top off of the two liter bottle.
- Fill the bottle two thirds of the way full with water.
- Put the rock specimens in the water.
- Use the magnifying glass and see if air bubbles escape from the rocks.
I hope you enjoyed this super quick tutorial and enjoyed trying to discover if there is air in rocks!
Pro tip: Use this activity to create some excitement around discussions or lessons about rocks, the rock cycle, geology, and more!
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Happy Excavating!
