Posterous theme by Cory Watilo

Experiment Design #2

Q: How does the position we hold the javelin affect how far it is thrown?

 

Hypothesis: If we change the position we hold the javelin then the distance will change.

 

Materials:

 

  • Javelin
  • Wind measuring tool
  • Measuring tape
  • Video Camera

Procedure:

  1. Find a large thick grassy area
  2. Set up video camera at an appropriate distance
  3. Measure wind and record
  4. Set position of hand that is needed ready to be thrown
  5. Throw Javelin
  6. Measure with measuring tape from the spot thrown to the nearest area on the javelin  and record
  7. Repeat steps 4-7 with every hand position. Do three trials