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Space and Rockets
Try this at home
Rocket Balloon
You Will Need
- A long piece of string or fishing line
- Straight drinking straw
- Sticky tape
- Balloon
- Two chairs
What to Do
- Thread the straw onto the string and tie it taught between the two chairs.
- Tape the balloon underneath the straw with its nozzle pointing towards the closest end of the string.
- Countdown from 10 to 0 and let your balloon rocket go!
What's Happening
The air rushing out of the balloon in one direction pushes the balloon in the opposite direction. This works just like a real rocket, except the real rocket pushes a lot harder, which means they can go a lot faster!
Discover More
Is your balloon rocket powerful enough to carry things across the room? Try this by attaching a small box under the balloon and put things in it. If it’s not powerful enough, try using two balloons!