STAAR Science Practice Questions - State Of Texas Assessments Of Academic Readiness (STAAR) Science Exam

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A class measures the time for a toy car to roll 2 meters on three ramp heights: 10 cm = 4.0 s, 20 cm = 2.8 s, 30 cm = 2.1 s. Which claim is best supported by the data?

Increasing ramp height makes the car take longer to travel 2 meters Increasing ramp height makes the car travel the 2 meters in less time Ramp height has no effect because every trial used the same distance The car's mass must have decreased as the ramp got higher

Correct Answer:

Increasing ramp height makes the car travel the 2 meters in less time

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