How To

How to Make Soda Bottle Motorboats

Contributor
By eHow Contributing Writer
(37 Ratings)

Simple household materials will make these boats zoom.

Difficulty: Moderately Easy
Instructions

Things You'll Need:

  1. Step 1

    Wash out a 16-ounce plastic soda bottle.

  2. Step 2

    Gather the toilet paper, baking soda and vinegar.

  3. Step 3

    Lay out two squares of toilet paper.

  4. Step 4

    Pour several tbsps. baking soda on the toilet paper squares and fold them up to enclose the baking soda.

  5. Step 5

    Place these toilet paper "packages" inside the bottle.

  6. Step 6

    Have one person hold the bottle cap.

  7. Step 7

    Pour 1/4 cup of vinegar into the bottle.

  8. Step 8

    Place the cap on quickly and twist it only once.

  9. Step 9

    Place the bottle in the water in the wading pool or bathtub.

  10. Step 10

    Watch as the baking soda and vinegar have a chemical reaction and cause the bottle to move across the water.

  11. Step 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.

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