Question

A student conducts an experiment to determine how the temperature of water affects the time for sugar to di solve. In each trial, the
student uses a different amount of sugar and a different temperature of water.
What is wrong with this experimental design?
The student changed too many variables
The student did not change enough variables
The student needs to perform more trials
The student does not have a dependent variable

Answer 1

Answer:

I think it's A

Explanation:

he shouldn't have changed the amount of sugar, because the whole point is to see which temperature dissolves sugar more quickly.