we used a pan balance to measure the mass of: a penny, nickel, marble, black rubber stop, green rubber stop, container of water, and a fishing weight.
we also found the volume of a small test tube, small glass bottle, a paper dixie cup, and a plastic cup.
the first step was predicting the mass or volume. then we found the actual mass. after that, we had to calculate the percentage we were off by.
it took 2 days to finish the lab. i did not break any test tubes!!!!
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