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Arm span versus Height - An Investigation
Is the arm span of a person the same as their height?
We predicted that the answer to this question would be 'no'. So we thought carefully about this question and decided that we needed to measure our arm span carefully by laying on the floor and carefully drawing a line where our longest finger reached to on each hand. We made sure that we were laid flat on the ground and that our arms were fully stretched. We then got up and laid in the same place with our heads on one marker to see if our feet reached the other marker. What do you think our results and conclusion were? We found out that for 9 out of 12 children their arm span was exactly the same length as their height. So we discovered that for most people their arm span is the same as their height. We then thought about people who had longer arms and if this would be a good thing if you were trying to reach something from a high shelf!!!
