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Effect of acid rain on sunflower growthFeatured science projectScience project video

Observation

It is observed that the sunflower plants in pots A (pH 6) and B (pH 5) demonstrated normal growth. The sunflower plants in pot C (pH 4) demonstrated stunted growth. The seeds in pots D (pH 3) and E (pH 2) did not germinate.

Pot No.

Water pH

Sunflower seed germination and height (mm)

Start

Day 2

Day 4

Day 6

Day 8

Day 10

Day 12

Day 14

A.

pH 6.0

0

0

25

56

83

114

143

183

B

pH 5.0

0

0

21

52

76

97

123

154

C

pH 4.0

0

0

4

14

31

44

61

76

D

pH 3.0

0

0

0

0

0

0

0

0

E

pH 2.0

0

0

0

0

0

0

0

0

The graph below represents the results of our science project experiment.

acid rain science project
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Complexity level:
8
Project cost ($):
30
Time required:
1 day to prepare, 14 days for the science project experiment
Material availability:
Easily found
Safety concerns:

Handle acid with care – use protective clothing/goggles.