How to Make Soda Bottle Motorboats
- 1). Wash out a 16-ounce plastic soda bottle.
- 2). Gather the toilet paper, baking soda and vinegar.
- 3). Lay out two squares of toilet paper.
- 4). Pour several tbsps. baking soda on the toilet paper squares and fold them up to enclose the baking soda.
- 5). Place these toilet paper "packages" inside the bottle.
- 6). Have one person hold the bottle cap.
- 7). Pour 1/4 cup of vinegar into the bottle.
- 8). Place the cap on quickly and twist it only once.
- 9). Place the bottle in the water in the wading pool or bathtub.
- 10
Watch as the baking soda and vinegar have a chemical reaction and cause the bottle to move across the water. - 11
Experiment with different amounts of vinegar and baking soda to see how it affects the boat's speed.
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