Acid Rain Ecology Science Experiment
In this fun and easy ecology science experiment, we’re going to explore and investigate acid rain.
Materials:
- Glass
- Water
- Straw
- Phenol red (this can be purchased at a pool store)
Instructions:
- Fill the glass about three quarters of the way full with water.
- Put about fifteen drop of phenol red into the water.
- Put the straw in the water and blow for about twenty seconds.DO NOT DRINK THE WATER
- Check the water and observe any changes.
- Blow into the water again for twenty more seconds and observe any changes.
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How it Works:
The carbon dioxide in your breath formed a very weak acid. An acid will cause phenol red to become yellow. The carbon dioxide in your breath reacted with the phenol red causing it to change colors and demonstrating that when we put too much carbon dioxide in the air, it can become acidic and pollute the moisture in the air that becomes rain.
Make This A Science Project:
Try adding vinegar to the phenol red and water mixture. Try leaving a stalk of celery in the phenol red and water mixture. Try adding baking soda to the phenol red and water mixture.
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