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The effect of nitrate levels in water on the growth of plantsFeatured science projectScience project video

Observation

It is observed that the plants in pot B (0.1% nitrate) will grow the tallest followed by the plants in pot A (0% nitrate) and pot C (0.3% nitrate) which are at almost the same level. Pots D, E and F demonstrate slower growth.

Pot No.

Nitrate Content (%)

Plant height (mm)

Start

Day 2

Day 4

Day 6

Day 8

Day 10

A

Water

0

23

49

81

118

157

B

0.1% nitrate

0

29

61

98

139

184

C

0.2% nitrate

0

19

43

73

111

151

D

0.3% nitrate

0

12

26

42

57

72

E

0.4% nitrate

0

0

5

11

18

26

F

0.5% nitrate

0

0

3

7

9

12

The graph below represents the results of our experiment.

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Complexity level:
8
Project cost ($):
20
Time required:
1 day to prepare, 10 days for the science project experiment
Material availability:
May be purchased at a plant nursery
Safety concerns:

Basic safety requirements