Bottle Rocket ~ Newton's Third Law of Motion

   Who doesn't like rockets? Besides the fact that they are pretty cool looking, you can watch them launch up into the air. We will show you how we made a rocket using Newton's third law of motion which states that when a force acts on an object, the object will push back in the opposite direction with equal force.

 

You Will Need:
•Empty plastic bottle
•Card-stock
•Tape
•A cork
•Air pump with needle adapter
•Water

 

   First use the card-stock and tape to decorate your rocket anyway you would like (we cut out four fins for the sides and a cone for the top). After you're done with that fill a quarter of your bottle with water. Take the cork and press your needle adapter to your pump all the way through it. Next place the cork inside the mouth of the bottle and attach the back of the needle adapter to your pump. Start pumping air into the bottle, making sure to aim it away from you and anyone else, after a few seconds you should have liftoff!

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