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Effect of oil spills on aquatic plantsFeatured science projectScience project video

Observation

The hydrilla plant in the beaker with a layer of oil stopped producing oxygen after 3 hours, while the plant in the beaker without the oil continued to produce oxygen even after 5 hours.

Condition Amount of oxygen produced by the hydrilla plant (mm)
  1 hour 2 hour 3 hour 4 hour 5 hour
With oil 3 5 6 6 6
Without oil 3 6 8 11 13

The above results were than plotted onto a graph, as shown below.
 hydrilla science fair project

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Complexity level:
5
Project cost ($):
20
Time required:
1 hour for preparation, 1 day for observation
Material availability:
Easily found
Safety concerns:

None