Water rocket

Answer these questions about your experiment:

1. What is the best number of fins?2
2. What happens to the water rocket if you do not have fins?They dont fly as well.
3. What is the best nose shape? detach mental triangle 
4. What happens if you have a flat nose shape?the air doesn't catch on the water rocket as well.
5. Does ballast at the nose make any difference?yes it makes it fly higher.
6. What is the right amount of water?1/3 
7. Explain what happens if you have too much water?It makes it heaver
8. What is pushing the rocket to make it go faster?air out of a bike pump.
9. Name the 4 forces that effect the water rockets flight?gravity,thrust,drag,lift
10. What keeps the rocket moving once the water has all come out?Air