A group of students conducts an experiment to test the amount of sugar that can be dissolved in water at 50°F, 100°F, and 200°F.Which suggestion will help increase confidence in the results?
Answer
A
Michael suggests timing each addition of sugar.
B
Ali suggests using her hand to verify the temperature of the water.
C
Joel suggests testing salt along with sugar to see if they dissolve at different speeds.
D
Zander suggests that each student complete an experiment individually and compare results.