Required Practical: Reaction Time (AQA GCSE Biology Combined Science): Flashcards
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Practise the cards
10 cards from this deck
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Practise the cards
10 cards from this deck
Aim of reaction time practical
Aim of reaction time practical
Measure and investigate factors affecting human reaction time
Length of ruler used in reaction time practical
Length of ruler used in reaction time practical
30 cm ruler
Position of 0 cm mark before ruler drop
Position of 0 cm mark before ruler drop
In line with top of subject's thumb and forefinger
What is recorded when ruler is caught
What is recorded when ruler is caught
Distance (in cm) where ruler was caught
What to calculate from repeated tests
What to calculate from repeated tests
Average distance the ruler fell
What distance is converted to
What distance is converted to
Reaction time
Example of distraction to test reaction time
Example of distraction to test reaction time
Counting backward
Dependent variable in reaction time practical
Dependent variable in reaction time practical
Reaction time (from ruler drop distance)
Control variables in this practical
Control variables in this practical
Same ruler and consistent height of ruler
Suggested improvement for precise measurement
Suggested improvement for precise measurement
Using a digital timer