https://www.youtube.com/watch?v=81lPJtAp5Sc

Biology:RequiredPractical6

Whatisthisrequiredpracticalabout?

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Whatareyourvariablesinthisexperiment:

Ø Independent:...............................................................................................

Ø Dependent::...............................................................................................

Ø Control(x3):...............................................................................................

Thinkabouthowyoucarriedoutthispractical,usethediagramtohelp.

Writealogicalandcomprehensivemethod,usingnumberedbulletpoints.

Isyourmethodgood?

Readit.Ifsomeoneelsecouldgetresultsfromit

thenyes!

https://www.youtube.com/watch?v=81lPJtAp5Sc

Astudentisusingthe30cmruler,totheright.Whatistheresolutionofthisruler?

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Somefactorscanincreaseordecreasereactiontime.Givethreeexamplesthatwould

increasereactiontime.

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Arethereanyotherwaysyoucouldmeasurehumanreactiontime(otherthanusinga

ruler)?

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Lookatthegraphofastudents’reactiontimebelow.Whyisthestudentunabletoreduce

theirreactiontimeanyfurther?

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