Required practical - Investigating reaction times (AQA GCSE Biology Combined Science): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the main aim of this reaction time practical?
What is the main aim of this reaction time practical?
To test effect of practice on reaction time
Which hand should you use for the reaction time test if you are right-handed?
Which hand should you use for the reaction time test if you are right-handed?
Your left hand (weaker hand)
Where should the 0 cm mark on the ruler be positioned before the drop?
Where should the 0 cm mark on the ruler be positioned before the drop?
Level with the top of your thumb
How many times should you repeat the ruler drop test?
How many times should you repeat the ruler drop test?
Ten times
What is the formula to convert distance in cm to reaction time in ms?
What is the formula to convert distance in cm to reaction time in ms?
If the ruler falls 75 cm, what is the reaction time to 2 significant figures?
If the ruler falls 75 cm, what is the reaction time to 2 significant figures?
390 ms
Why does the ruler fall during this practical?
Why does the ruler fall during this practical?
Due to gravity at constant acceleration
How many significant figures should you give your final reaction time answer to?
How many significant figures should you give your final reaction time answer to?
2 significant figures
What type of chart should you plot to analyze your results?
What type of chart should you plot to analyze your results?
Bar chart
What usually happens to reaction times as people practice the test multiple times?
What usually happens to reaction times as people practice the test multiple times?
They get faster with practice