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Experimental Design Helicopter Design - PowerPoint PPT Presentation


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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
bell work problem
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
Hypothesis
  • If ________ (number ) paper clips are added to the helicopter then the helicopter will land _____ .
materials
Materials
  • Paper clips
  • Index card
  • Scissors
  • Stop watch
  • Meter stick
independent variable
Independent Variable
  • Helicopter Design
dependent variable
Dependent Variable
  • Average time for helicopter to land
controls
Controls
  • Helicopter design template
  • Stop watch
  • Meter stick
  • Index card
  • Scissors
procedures
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.
procedures1
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.
  • 12. Graph your results
conclusion
Conclusion
  • My hypothesis is correct or not___
  • My independent variable is__________
  • My dependent variable is ___________
  • My results from the experiment showed

Helicopter 1 _____ average

Helicopter 2 _____ average

Helicopter 3 _____ average

  • What did you learn from the experiment?