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In this geology activity, learners use a microscope to discover and identify the components of sand.

In this activity, learners will create a magnifying glass called a waterscope, using water and household items, to examine various objects.

In this activity, learners will plot the distribution of various oozes using information from sediment maps.

In this activity, learners create a sealed, mini ecosystem that supplies freshwater shrimp with food, oxygen, and waste processing for at least three months.