Newton's Third Law of Motion states that for every action, there is an equal and opposite reaction. Demonstrating this concept with a straw rocket launcher will make a memorable lesson for young students. The rocket launcher can be built with inexpensive, easy to find parts. Use it to educate youngsters about physics in a way that is both entertaining and safe.
- Soda bottle
- Modeling clay
- Large straws
- Small straws
- Hammer
- Nails
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Instructions
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1
Empty the soda bottle and thoroughly clean it.
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2
Screw the cap back onto the bottle and punch a small hole in it with a hammer and nail.
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3
Insert a small straw into the hole just far enough so it rests firmly inside.
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4
Seal any gaps between the hole and the straw with modeling clay.
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5
Seal one end of a large straw with modeling clay. Slide the other end over the small straw.
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6
Squeeze the soda bottle hard and fast and watch the large straw fly across the room.