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Elodea and Goldfish Featured science projectScience project video

Observation

It is observed that the Elodea plants grew faster in the fish tanks that contained goldfish.
 

Number of goldfish None 1 goldfish 5 goldfish 10 goldfish
Initial elodea length (mm) 97 99 96 96
Final elodea length (mm) 112 121 129 132
Average growth (mm) 15 22 33 36

The graph below represents the results of our science project.
 

Elodea and Goldfish Science Fair Project

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Complexity level:
6
Project cost ($):
80
Time required:
1 hour to prepare, 7 days for observation
Material availability:
May be acquired from a pet store
Safety concerns:

None