Monday
September 22, 2014

Homework Help: science

Posted by mary on Wednesday, March 6, 2013 at 1:00pm.

mara is preparing an experiment using three cups
- one made of paper, one of plastic, and one of glass- as shown below. she plans pouring 50 ml of hot water from a pitcher into each of three cups and recording the temperatures in 5- minute intervals.

what is the independent variable in this investigation?

a. the time interval between measurements
b. the amount of water each cup
c. the initial temperature of the water in cups
d. the material the cups are made of

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