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August 31, 2015

Homework Help: science

Posted by Rose on Wednesday, August 4, 2010 at 9:50am.

Maria is preparing an experiment using three cups, one made of paper, one of plastic, and one of glass. She plans on pouring 50 ml of hot water into each of the three cups and recording the temperatures in 5 minute intervals. What is the independent variable in this investigation?

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