Water rocket

1. Roll a piece of paper into a cone. ...
2. Wrap the nose cone with duct tape. ...
3. Attach the nose cone to the bottom of the bottle. ...
4. Take thin cardboard and cut out 3-4 triangles. ...
5. Add ballast to give the rocket weight. ...
6. Fill up the bottle with water. ...
7. Make a very small hole through a cork. ...
8. Stuff the cork into the bottle opening
9. The current record for greatest altitude achieved by awater and air propelled rocket is 2723 feet (830 meters), held by the University of Cape Town, achieved on 26 August 2015, exceeding the previous 2007 record of 2044 feet (623 meters) held by US Water Rockets.

Aim: to investigate how far they go.

Method:

1.5 ltr bottle.

Instructions:

1.cut the fins

2.plan the rocket.

3. have fun