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Zoology Science Fair Project

The Effects of pH on Tadpole Lifespan

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The Effects of pH on Tadpole Lifespan | Science Fair Projects | STEM Projects
Ever wonder how the acidity of water affects the lifespan of a tadpole? In this experiment, we'll find out by testing the effects of pH on the life span of a tadpole.

Hypothesis

The hypothesis is that if one tadpole lives in neutral water and another lives in acidic water, the one in neutral will live longer.

Method & Materials

You will fill 6 bowls with water, add acidic or basic drops to two of the bowls, and place one tadpole in each bowl. You will also feed the tadpoles and change the water every other day.
You will need 6 bowls, 6 tadpoles, tadpole food, acidic drops, basic drops, indicator strips, water, and a net.

Results

The results showed that the acidic tadpoles did die on the first day, while the basic tadpoles survived the whole test. This suggests that tadpoles are able to survive if the pH is slightly basic, but if the pH becomes slightly acidic, the results may be fatal.

Why do this project?

This science project is interesting because it shows how even small changes in the environment can have a big impact on the life of an organism.

Also Consider

Variations to consider include testing the effects of different pH levels on the tadpoles, or testing the effects of different temperatures on the tadpoles.

Full project details

You can find additional information and details for this science fair project here. Have fun exploring!

Related video

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