Volcano
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To do this experiment you need the following 1 cup of oil
1/2 cup of water
food colouring and
1 tablet of alka seltzer
In your clear container...pour in oil and water...then add 5 drops of food colouring of your choice.
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Now with your parent's help drop in one tablet of alka-seltzer and watch what happens. It is like an erupting volcano.....have fun