Observations and results
Were the most jumps in one minute made using the medium- or short-length jump rope? Were the fewest jumps made using the longest?
Using the longest jump rope should have resulted in the fewest number of jumps per minute, whereas using the short- or medium-length ropes should have resulted in the greatest number of jumps per minute, depending on how skilled the jumper is. Not only does the longest rope take the longest amount of time to turn in a full circle, you may also have found the longest one to be a bit unwieldy. The medium-length jump rope is a good length for jumping, and may lead to the fewest number of mistakes. The shortest length turns the fastest, but jumpers have to be skilled to use it well and not make more mistakes with it (often by catching the rope on their heads or feet) than they did using the medium-length rope.
More to explore
It's Time to Play from KidsHealth
Jump into a Health Life from Oracle ThinkQuest
Learning to Skip from Skip-Hop
Skipping Science: An Experiment in Jump Rope Lengths from Science Buddies
This activity brought to you in partnership with Science Buddies