- What is the best number of fins? 3 or 4
- What happens to the water rocket if you do not have fins? its harder to fly
- What is the best nose shape? a cone
- What happens if you have a flat nose shape? it will not cut through the air
- Does ballast at the nose make any difference? yes it does
- What is the right amount of water? a 3rd
- Explain what happens if you have too much water? it does'int fly high
- What is pushing the rocket to make it go faster? air pressure
- Name the 4 forces that effect the water rockets flight? air water weight, thrust
- What keeps the rocket moving once the water has all come out? the air
If you were to make a water rocket again what changes would you make? better fins
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