Asked by Anonymous
writing a hypothesis---
how many pounds of weight can be held by a bridge made out of 30 Popsicle sticks.
how many pounds of weight can be held by a bridge made out of 30 Popsicle sticks.
Answers
Answered by
bobpursley
normally, a hypothesis will test or compare something to a control. If you have one bridge, which you have designed and build, here are some examples
Bridge will hold a 65 lb weight suspended from the center for 456 seconds.
now that is really not much to brag about, as if the bridge fails, you have learned nothing. So I would conduct the experiment in stages, noting the weight.
start of with 10 lbs, note results.
then add 10, note results, and so on.
At least you will get to a point of failure and you know the limit, or you will get to 456 lbs and declare success of your hypothesis test, and go celebrate by buying a round of popsicles.
A better hypothesis would be to compare two bridges designed differently. Such as
The span bridge will hold more weight than the XXXX bridge given the same bridge weight.
Bridge will hold a 65 lb weight suspended from the center for 456 seconds.
now that is really not much to brag about, as if the bridge fails, you have learned nothing. So I would conduct the experiment in stages, noting the weight.
start of with 10 lbs, note results.
then add 10, note results, and so on.
At least you will get to a point of failure and you know the limit, or you will get to 456 lbs and declare success of your hypothesis test, and go celebrate by buying a round of popsicles.
A better hypothesis would be to compare two bridges designed differently. Such as
The span bridge will hold more weight than the XXXX bridge given the same bridge weight.
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