Lab: Motion

Question 1

Write a hypothesis about the effect of the racetrack’s height on the speed of the car using the format of "if…then…because….” Be sure to answer the lesson question "How can motion be described?”

Revolt · Accepted Answer

Write a hypothesis about the effect of the racetrack’s height on the speed of the car using the format of "if…then…because….” Be sure to answer the lesson question "How can motion be described?”

Question 2

What did you include in your hypothesis? Check all that apply.

Revolt · Accepted Answer

The “if” part of the hypothesis refers to changing the height of the racetrack.; The “then” part of the hypothesis refers to a measurable difference in speed.; The “because” portion of the hypothesis connects the ideas of speed and acceleration.

Question 3

Obtain a copy of the Student Guide for this lab. Your teacher may provide a copy, or you can click the link to access a copy. Be sure to read the entire Student Guide for this lab. Did you read the Student Guide carefully?

Revolt · Accepted Answer

yes

Question 4

The independent variable, or the one that is intentionally manipulated, is .

Revolt · Accepted Answer

initial height

Question 5

The dependent variable, or the one the response is measured in, is .

Revolt · Accepted Answer

speed

Question 6

What is the elapsed time for Trial B? s

Revolt · Accepted Answer

3.0

Question 7

What is the average speed for Trial B? m/s

Revolt · Accepted Answer

1.3

Question 8

Which statements are part of the safety protocol for this lab experiment? Check all that apply.Always wear safety goggles when performing an experiment.Use caution when constructing the track. Pad cars with foam prior to each trial.Ensure that the track is clear before releasing cars.Bolt the ramp to both the floor and desk for support.Report all accidents to the teacher.

Revolt · Accepted Answer

Always wear safety goggles when performing an experiment.; Use caution when constructing the track.; Ensure that the track is clear before releasing cars.; Report all accidents to the teacher.

Lab: Motion Answers

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