Are you looking for things to do with the kids over Thanksgiving? This tried and tested kitchen experiment is sure to bring squeals of laughter. The trusted baking soda volcano.
It’s a Volcano
This is a non-toxic experiment, which adds to its appeal. Just make sure you give it plenty of space as it’s messy. In this experiment, carbon dioxide gas is produced, which is also present in real volcanoes. Pressure builds up inside the plastic bottle until the gas bubbles out of your table-top volcano.
What You Need:
- 6 cups flour
- 2 cups salt
- 4 tablespoons cooking oil
- warm water
- plastic soda bottle
- dishwashing detergent
- food coloring
- vinegar
- baking dish or other pan
- 2 tablespoons baking soda
What You Do:
- First make the 'cone' of the baking soda volcano. Mix 6 cups flour, 2 cups salt, 4 tablespoons cooking oil, and 2 cups of water. The resulting mixture should be smooth and firm (more water may be added if needed).
- Stand the soda bottle in the baking pan and mold the dough around it into a volcano shape. Don't cover the hole or drop dough into it.
- Fill the bottle most of the way full with warm water and a bit of red food color (can be done before sculpting if you don't take so long that the water gets cold).
- Add 6 drops of detergent to the bottle contents. The detergent helps trap the bubbles produced by the reaction so you get better lava.
- Add 2 tablespoons baking soda to the liquid.
- Slowly pour vinegar into the bottle. Watch out - eruption time!
Tomorrow, we’ll bring you the cool coin launcher. Experiments that unexpectedly pop will keep you on the edge of your seat.
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