- 1). Place a sheet of newspaper on a table. Place a square of paper towel on the newspaper.
- 2). Sprinkle a one-inch high pile of baking soda in the center of the paper towel.
- 3). Fold the upper left corner of the paper towel over to the lower right corner. Fold the lower left corner of the paper towel over to the upper right corner to form a pouch.
- 4). Stand the water bottle on the newspaper. Remove the cap from the water bottle. Place the tip of the funnel into the open mouth of the water bottle.
- 5). Pour white vinegar into the funnel. Stop pouring when the water bottle is halfway filled.
- 6). Insert the pouch into the open mouth of the water bottle. Leave a piece of the pouch sticking out from the open mouth.
- 7). Insert a cork into the open mouth of the water bottle. Wedge the cork into the open mouth so that it keeps the paper towel pouch from falling into the water bottle.
- 8). Tape your spaceship toy to the bottom of the water bottle with duct tape.
- 9). Go outside in your backyard. Place the two wood blocks across from each other on the ground with an inch between them.
- 10
Turn the water bottle, now a rocket engine, upside down. Place the cork between the two wood blocks so that the spaceship toy is facing up. - 11
Wait, as the gas generates in your rocket engine, blows out the cork and propels your spaceship into the sky.
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