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12 votes
12 votes
A student conducts an experiment to determine how the temperature of water affects the time for sugar to dissolve. In each trial, the student uses a different amount of sugar and a different temperature of water.

What is wrong with this experimental design?
A. The student does not have a dependent variable.
B. The student changed too many variables.
C. The student needs to perform more trials.
D. The student did not change enough variables.

User Viktor Sehr
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1 Answer

21 votes
21 votes
B- the student changed too many variables
User Lia Pronina
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