Items that test for misconception CVM027 in this project (Original Project)
and key idea (If more than one variable changes a…)
Item ID
Number |
Item Description |
How Often the Misconception was Chosen |
Select This Item for My Item Bank |
CV013003
|
To find out if the type of swimsuit swimmers wear affects a swim team's performance, it is important that everyone wear the same kind of swim cap because otherwise it wouldn't be possible to find out the effect of the swimsuits on the team's performance.
|
12% |
 |
CV005004
|
To find out the effect of paper type on how well paper airplanes fly, it is important that all the airplanes tested use the same design because if they didn't, it wouldn't be possible to tell what effect the type of paper had on how well the paper airplanes fly.
|
9% |
|
CV016003
|
To determine the effect of water temperature on getting stains out of shirts, it is important for all shirts to be washed for the same length of time because if they weren't, it wouldn't be possible to find out the effect of temperature.
|
7% |
|
CV015006
|
To determine the effect of speed on a truck's gas mileage, is important that trucks of the same weight be compared because if the trucks didn't have the same weight, it wouldn't be possible to learn about the effect of speed on gas mileage.
|
6% |
|
CV015005
|
To find out which car gets better gas mileage, it is important that both cars get the same grade of gas because if they didn't, it wouldn't be possible to tell which car gets the better gas mileage.
|
6% |
|
CV012003
|
To find out if the shape of objects has an effect on how fast the objects sink, it is important that all the objects tested have the same mass because if they didn't have the same mass, it wouldn't be possible to learn about the effect of shape on how fast they sink.
|
5% |
|
CV014003
|
To find out if type of soil affects the growth of carrot plants, it is important that all of the plants get the same amount of water because if they didn't, it wouldn't be possible to tell which soil type was better.
|
5% |
|
Control of Variables