How to Make a Water Rocket!
How to make a water rocket with a lemonade bottle.
How to make your own water rocket?
You need:
- An empty lemonade bottle, 1/3 filled with water
- A cork
- A bicycle pump and valve of bicycle tire
- A holder for the bottle
Fill 1/3 part of the bottle with water. Put the valve into the cork (drill a hole in the cork if it’s too hard). Put the cork onto the bottle. Put the bottle in the holder with the bottom to the air. Connect the pump to the valve and start pumping. If the cork pops out the bottle will reach a height of approx 20 meters.
Warning: Don’t put the cork to tight, otherwise the bottle will explode!
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10 Comments
mattster, posted this comment on Apr 16th, 2008
i get it tottaly
mug, posted this comment on Apr 17th, 2008
you mug!!
fred the frog, posted this comment on May 27th, 2008
whats a valve
hbdbc, posted this comment on Jul 10th, 2008
how do you coonect the valvue
Guest83, posted this comment on Jul 16th, 2008
hbdbc,
Put the valve into the cork and put the cork onto the bottle, that is it!
Fred,
A valve is the thing where you can pump air in the tires, according my dictionary, in Dutch called: ventiel
ms.stefon and severo, posted this comment on Feb 6th, 2009
that is cool
science_guest, posted this comment on Apr 12th, 2009
where can i find a bicycle valve?? can i buy it on its own or do i have to buy a bicycle tyre?
crazyguest83, posted this comment on May 12th, 2009
Hi science_guest.
In Holland you can buy valves in the bicycle shop or at Halfords. You don’t have to buy an entire tire. Maybe internet will help.
Kopen = to buy. At “kies uw taal”, you can choose language 
I’m glad you like my story so much.
science_guest, posted this comment on May 16th, 2009
thanks alot crazyguest83 
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upy, posted this comment on Jan 13th, 2008
I don’t understand abou that….