The one factor that a scientist changes during an experiment.

A)

1.manipulated variable

2.responding variable

B)

1.The one factor that a scientist changes during an experiment; also called the independent variable.

2.The factor that changes as a result of changes to the manipulated variable in an experiment; also called the dependent variable.

Explanation:

for step 7 table c on the lab "newtons law of action"   the average time it took the car to travel .25 meters   was 1.92 seconds.

the average time it took the car to travel 0.50 meters was 2.61 seconds

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