Kate gathered 3 boxes of the same size of different materials: glass, clear plastic, and
aluminum painted black. She placed them on a window sill in the sun for 1 hour and
then measured the warmth of the air in each box.
In this experiment, what is the time of 1 hour?
controlled variable
independent variable
dependent variable
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Kate gathered 3 boxes of the same size of different materials: glass, clear plastic, and
aluminum...
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