"compound microscope"
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Innovating Science® The Case of the Contaminated Lake
Who contaminated the Pine Lake?
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Innovating Science AP Environmental Science: Water Quality
Test a local water sample to determine overall water quality.
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Bacterial Pollution of Water Lab Activity
Use the Exact Water-Testing Procedures Used by Health Authorities
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Effectiveness of Sunscreen
This activity illustrates the importance sunscreen use.
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Science and Discovery Into the Outdoors Video Series
How can humans work with the environment?
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