Water rockets

Which rocket component reduces drag?

• nose cone

• streamer

Which rocket component increases drag?

• nose cone

• streamer

Which rocket component provides stability?

• fin

• streamer

• nose cone

• shockcord

Which of these variable can you NOT control?

• The amount of water in the rocket

• The weight of the rocket

• The amount of wind

• The length of the rocket

What is aerodynamics?

• How loud the rocket is when it launches

• The study of rocket science

• How high the rocket goes during flight

• The study of how objects move through the air

Relating to Newton’s Third Law, action and reaction, what is the reaction when a rocket expels gas, smoke and flames from the nozzle end of the rocket engine?

• Nothing
• Propels in the opposite direction
• Creates a balanced force
• Creates friction

What is the principle of inertia?

• All matter, because of its mass, resists changes in motion.
• Some matter, because of its mass, resists changes in motion.
• All matter, because of its weight, resists changes in motion.
• Some matter, because of its mass, resists changes in motion.

What two forces slow a rocket down as it is being launched?

• Thrust & Lift

• Weight & Drag

I want to get the most thrust from my rocket. What kind of nozzle do I need?

• A narrow nozzle

• A wide nozzle

• It doesn't matter

The force supplied by the rocket engine must be strong enough to overcome...

• Gravity

• Weight

• Thrust