Chemistry, 15.05.2021 16:00, Katelyn1236

For his science fair experiment, Cole decided to determine how different types, of surface material, affect how fast a matchbox car will go. He chose to use a tile floor, concrete patio and carpet. He
used the same car for each of the 20 trials. He measured the distances the car went after riding
down a 1-meter ramp.
what is the independent variable?
what is the dependent variable?
what is the constant for each trial?

Answers: 1

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For his science fair experiment, Cole decided to determine how different types, of surface material,...