Experimental Design Helicopter Design

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# Experimental Design Helicopter Design - PowerPoint PPT Presentation

Experimental Design Helicopter Design. Bell Work- Problem. What affects the rate of descent for a paper helicopter if your only materials are one index card and one or more paperclips?. Hypothesis.

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Presentation Transcript

### Experimental DesignHelicopter Design

Bell Work- Problem
• What affects the rate of descent for a paper helicopter if your only materials are one index card and one or more paperclips?
Hypothesis
• If ________ (number ) paper clips are added to the helicopter then the helicopter will land _____ .
Materials
• Paper clips
• Index card
• Scissors
• Stop watch
• Meter stick
Independent Variable
• Helicopter Design
Dependent Variable
• Average time for helicopter to land
Controls
• Helicopter design template
• Stop watch
• Meter stick
• Index card
• Scissors
Procedures
• 1. Use one 3X5 index card
• 2.Use diagram to draw template of helicopter
• 3.Cut along the solid lines
• 4.Fold flap A forward and flap B to the back
• 5.Fold flap C forward and flap D to the back.
• 6.Release the helicopter 1 meter from the ground and time how long it will take to land. Do this a total of 5 times.
Procedures
• 7.Add 1 paper clip to the bottom of the helicopter
• 8. Release and time a total of 5 times.
• 9. Add 2 paper clips to the bottom of the helicopter.
• 10. Release and time a total of 5 times.
• 11. Average the trials for 1, 2, and 3.