Do You Have A Potential Rocket Scientist In Your Class? Michael West

How Do Rockets Work? For every action there is an equal and opposite reaction

What About Rockets In Space? In a vacuum what do they push against?

The Forces Acting On A Rocket Thrust - From ejecting propellant Weight - Mass of propellant & rocket Lift - Generated by fins & rocket body Drag - Friction from air moving over rocket

The Water Rocket Challenge Key Questions Do I have to use water? Is pressurised air good enough? Is more water better? How can I modify the rocket to increase the duration of flight? What effect does the wind have? What launch angle is best for maximum distance?

The Water Rocket Challenge Three Award Categories 1.Greatest Altitude Reached 2.Greatest Range Reached 3.Best Rocket Design

The Water Rocket Challenge Materials 1x Soft Drink Bottle Cardboard Sticky Tape Scissors

The Water Rocket Challenge Determining Altitude: Littlewood’s Law h max = g/8 * (t total ) 2

The Water Rocket Challenge Effect of Drag:

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