Required Practicals - Reaction time

Question 1

What is the objective of the practical? (Reaction time)

Answer 1

Plan and carry out an investigation into the effect of a factor on human reaction time.

Question 2

What is the apparatus list for the reaction time practical?

Answer 2

-metre ruler
-chair
-table
-cups of coffee

Question 3

What is the method for the reaction time practical?

Answer 3

-Use your dominant hand.
-Sit a person on a chair, holding a good posture, eyes facing forward and holding their hand out.
-Hold a ruler vertically just above the top of the person’s hand.
-Drop the ruler without telling them when beforehand.
-Record the distance travelled by the ruler (where it sits above the finger).
-Repeat the test several times whilst recording results.
-Then give the person a cup of coffee and let them drink it, and then redo the test.
-Repeat the experiment with the other person recording your reaction time.
-Use a conversion table to convert the distances into reaction times.