How to Make Soda Bottle Motorboats

Simple household materials will make these boats zoom.

Instructions

Difficulty: Moderately Easy

Things You’ll Need:

• Wading Pools
• Garden Hoses And Attachments
• Vinegar
• Baking Soda
• Toilet Paper
• Plastic Soda Bottles And Cap

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.

Tips & Warnings

• This activity is best done with adult supervision.