Description of Water Pump Rocket

1. Why you must have one !!!

2. By
 Gracy
 Aparna
 Krishjeet
Class 8C

3. Pictured here is the straw
rocket built by Gracy, Aparna
and Krishjeet.
The water pump rocket is easy
to make and with the help of
pressure one can launch this
rocket.
Please see the video link given
below
https://www.youtube.com/wat
ch?v=fUId0eh7m9s

4. 1. Cut one plastic bottle at the mouth of the bottle
and also the lower portion of the bottle. Now take
out 2 rings of 4 inches width.
2. Now using tape stick the lower part of the cut
bottle on the mouth side of the whole bottle and
the other ring towards the bottom of the bottle.
Materials required:
•Two 600ml plastic bottles
•Glue & Tape
•Scissors
•X-ray sheet
•Plastic bag
•Air valve

5. 3. Make a hole in the cap of the bottle and washer and
valve into it.
4. Now cut 4 wings out of the x-ray sheet. Cut 2 small cuts
on one side.
5. Fold the x-ray sheet at the small cuts and attach to the
lower part of the complete bottle with the help of tape.
6. Now fill the empty place at the bottom of the bottle
with a plastic bag and cover with tape.
7. Now open the cap of the bottle and fill it with water and
close the cap.
Connect the valve to an air pump and create pressure on
the water.

6. •Inexpensive to build.
•Can be built in very little time, even during a live demo in
class.
•Develops cognitive learning abilities.
•Interesting teaching aid for ‘learning by doing’.
•Teaches about various forces and conversion of energy.