How fast can a helicopter fall ?

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# How fast can a helicopter fall ? - PowerPoint PPT Presentation

How fast can a helicopter fall ?. By: Galilea, Isabel, Karla, Yareli. Group’s question :. How does the type of wind material and the amount of water on a wing affect how fast the helicopter hits the ground ?. Hypothesis:.

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Presentation Transcript

### How fast can a helicopter fall ?

By: Galilea, Isabel, Karla, Yareli

Group’s question :

How does the type of wind materialand the amount of water ona wing affect how fast the helicopter hits the ground ?

Hypothesis:

If amount of plates_______ (inc/dec) and amount of water _______ (inc/dec) , then the velocity of the helicopter falling _______ (inc/dec).

Independent and dependent variables, constants/controls

Independent variable: the amount of platesand the amount of water in a wing.

Dependent variable: how fast the helicopter falls into the ground.

Constants/Controls: The size of the helicopter , the heightwhere we are dropping it from.

Materials

Materials :

• Paper plates (2)
• paper helicopters (2)
• Spray bottle (water)
• timer
• meter stick

Procedure :

• Gather materials
• Build helicopter
• Find the height (150cm) we are dropping it from.
• start trial1( 0, 1 or, 2 paper plates)by spraying the helicopter3 times and place fan above 150 cm
• Repeat steps for the helicopter that isn’t wet
• record data