This video covers everything you need to know for the GCSE Science Biology required practical on investigating reaction time. The video includes how to plan and carry out the ruler drop reaction time experiment including the key control variables. The video also includes about how reaction time can be measured using computers.

Timestamps:
0:23 - Equipment
0:46 - The experiment and control variables
1:52 - Converting cm to ms
2:04 - The effect of practice on reaction time
2:38 - Plotting a graph of number of drops vs reaction time
2:55 - Investigating caffeine on reaction time
4:10 - Using a computer to measure reaction time


Here is the link to the distance dropped reaction time conversion table:

[ Ссылка ]

Video footage:
Science Revision Channel
Story Blocks - licenced footage

Soundtrack:
In Chill Out Hip Hop by Valentina Gribanova - licenced through storybocks

Keywords:
Stimulus, reaction time, caffeine, practice, control variables
#gcserequiredpractical #reactiontime # requiredpractical


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Investigating reaction time
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