Question

A student conducts an experiment to determine the speed of a toy car at the bottom of a ramp after it is released from different heights on the ramp. The student makes one measurement for each height.

What is one way that the student could improve the experiment?

(A) Use a different timer for height.
(B) Use a different ramp for each height.
(C) Perform one trial for each measurement but use a different car for each height.
(D) Perform multiple trials for each release height instead of just one.

Answer 1

D. Perform multiple trials for each release height instead of just one.

Answer 2

Option D is correct.  the student must perform multiple trials for each release height instead of just one.

Experiments are performed in laboratories in order to determine the performance or ascertain the fact of a particular claim. This can be achieved by measuring different values of data in order to know the nature of the data gotten and then come to a conclusion.

For the student conducting an experiment to determine the speed of a toy car at the bottom of a ramp after it is released from different heights on the ramp, we are told that the student only made one measurement of each height.

For the student to improve his experiment, he may need to get more measurements of the height in order to ascertain the accuracy. The accuracy of the height can now be gotten by taking the average of all the heights.

Therefore the student must perform multiple trials for each release height instead of just one.

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