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Vegetable oil for water retention in soilFeatured science projectScience project video

Observation

It  was observed that the amount of water that evaporated from the soil sprayed with the vegetable oils  was less than the amount of water that evaporated from the soil without any oil added. There was no significant difference in the amount of water lost from the cups containing different types of vegetable oil.

Condition

Amount of water evaporation (grams)

Start

Day 1

Day 2

Day 3

Day 4

Day 5

Without oil

112

106

104

101

98

96

Corn oil

116

115

113

111

109

107

Sunflower oil

116

114

112

110

108

106

Canola oil

117

116

114

112

110

108

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

vegetable oil and soil water retention experiment

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Complexity level:
6
Project cost ($):
20
Time required:
1 hour to prepare, 5 days for the science project experiment
Material availability:
Easily found
Safety concerns:

Basic safety requirements