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General Environmental Science Science Fair Project

Acidic Water and Zebra Mussel Shells

Easy
Acidic Water and Zebra Mussel Shells | Science Fair Projects | STEM Projects
We're going to explore how the acidity of lake water affects the hardness of Zebra mussel shells. We'll collect mussels from three different lakes with different pH levels, measure the hardness of their shells, and compare the results.

Hypothesis

The hypothesis is that a lake with more acidic water will produce Zebra mussels with softer shells.

Method & Materials

You will collect Zebra mussels from three different lakes with different pH levels, measure the hardness of their shells, and compare the results.
You will need a knife, a manual hardness tester, pH paper, 3 plastic containers, and a black marker pen.

Results

The results showed that the Zebra mussels from the lake with pH 6.5 had softer shells and the mussels from the lake with pH 7.5 had the hardest shells. This proves that the hypothesis was correct.

Why do this project?

This science project is interesting because it shows how the acidity of lake water can affect the hardness of Zebra mussel shells.

Also Consider

Variations of this project could include repeating the experiment with seawater mussels instead of freshwater mussels, or using a larger sample size of mussel shells from 20 different lakes.

Full project details

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

Related videos

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