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The effects of light color on plant growth
Betsie Naylor Danielle Neal
Materials4 plant containers4 filters of different colors(red, blue, green,
clear)4 2 gallon potsWaterRuler
Method- Step 1Set up
Experiment
Step 2Measure height and water plants
Step 3Record an analyze data
Day 0 Day 5 Day 7 Day 9 Day 12 Day 14 Day 16
Natural 0 4.55 5.67 5.8 6.45 9.33 9.575
Blue 0 5.29 6.5 8 8.41 8.67 9.43
Green 0 5.29 6.96 7.42 7.54 7.75 8.35
Red 0 5.4 6.58 6.83 7.5 7.91 8.665
Results
0 5 7 9 12 14 160
2
4
6
8
10
12
NaturalBlueGreenRed
Day
Pla
nt
Heig
ht
(cm
)
Day 5
Day 16
ConclusionsThe color of light DOES play a role in the
growth of plantsPlants growing in natural or blue light show
the most amount of growthPlants growing in green light show the least
amount of growth
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