Test: ACT Science

A student is performing a science experiment for his class. The student creates a ramp that contains four different surfaces, carpet, glass, wood and plastic. The ramp is held at a constant angle and a ball is allowed to roll down the ramp. The student tests each material by releasing a ball at different distances from the bottom of the ramp and recording the time it takes for the ball to travel the distance of the ramp. 

Act 1

1.

What is the slowest material that the student tested?

Plastic 

Carpet

Wood

Glass

1/12 questions

0%

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