Posted: September 12th, 2015

A student conducts an investigation in which she dissolves 1 gram (g) each of several substances in 50 milliliters (ml) of water.

A student conducts an investigation in which she dissolves 1 gram (g) each of several substances in 50 milliliters (ml) of water. She has 12 identical plastic cups of water. She places 1 g of salt in three cups, 1 g of sugar in three cups, and 1 g of baking soda in three cups. Three cups contain only water. She places all the cups in a freezer and records the temperature in each cup every 15 minutes for 4 hours. Which of the following is the best way for the student to display the results of this investigation? A. Pie chart B. Bar graph C. Venn diagram D. Line graph