Aim: Show the affect of wavelength of light on the rate of photosynthesis.

Constant values
Temperature 18ºC -20ºC
Time for each trial Two minutes

Uncetainties
Beaker (+50)ml
Test tubes (+0.5) ml
Clock (+0.5)s

DC
Raw data collection:
Colour of filter no of bubbles no of bubbles no of bubbles
In trial 1 in trial 2 in trial3
Yellow 20 19 22
Green 20 17 11
Blue 12 11 13
Red 11 10 11
White light(without filter) 32 34 37
Graph 1: the graph 1 shows that white light has the greatest......

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Title: Sam1
Approximate Word Count: 2012
Approximate Pages: 9 (250 words per double-spaced page)

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