Required Practical: Reaction Time (OCR GCSE Biology A, Combined (Gateway Science Suite)): Quizzes
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Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the aim of this required practical?
What is the aim of this required practical?
To measure and investigate reaction time
What length of ruler is used in this practical?
What length of ruler is used in this practical?
30 cm
Where should the 0 cm mark be positioned when starting the test?
Where should the 0 cm mark be positioned when starting the test?
In line with top of thumb and forefinger
How should the tester release the ruler?
How should the tester release the ruler?
Without warning
What should be calculated after repeating the test several times?
What should be calculated after repeating the test several times?
The average distance the ruler fell
How is the distance converted into reaction time?
How is the distance converted into reaction time?
By using a conversion table or formula
What is an example of distraction used to test reaction time?
What is an example of distraction used to test reaction time?
Counting backward
What is the dependent variable in this practical?
What is the dependent variable in this practical?
The reaction time calculated
Which of these is a control variable in this practical?
Which of these is a control variable in this practical?
The same ruler is used
What improvement is suggested for more precise measurement?
What improvement is suggested for more precise measurement?
Using a digital timer