Lab: Motion

Question 1

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 2

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

Revolt · Accepted Answer

a focus on describing the toy car’s motion; a suggestion for a way to change the car’s motion; room for observations and an opportunity to look at motion objectively

Question 3

Using the black numbers on the stopwatch to answer the questions.

Revolt · Accepted Answer

5.3 s; Look at the divisions between 2 and 4. What level of precision does this stopwatch have based on the divisions marked on its face?: tenths of seconds

Question 4

The variables for this experiment include the height of the track and the speed of the car. Use the drop-down menus to complete the sentences and identify the independent and dependent variables.

Revolt · Accepted Answer

✔ initial height; The independent variable, or the one that is intentionally manipulated, is .: initial height; The dependent variable, or the one the response is measured in, is .: speed

Question 5

Using the black numbers on the stopwatch to answer the questions.

Revolt · Accepted Answer

✔ 5.3 s; 5.3 s; Look at the divisions between 2 and 4. What level of precision does this stopwatch have based on the divisions marked on its face?: tenths of seconds

Question 6

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.

Question 7

X amount of frictioninitial height✔ speed

Revolt · Accepted Answer

✔ speed

Question 8

hoursX minutesseconds✔ tenths of seconds

Revolt · Accepted Answer

✔ tenths of seconds

Lab: Motion Answers

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