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In this environmental science lesson, learners will examine the dangers of mercury and how humans contribute to growing mercury emissions on Earth.

In this activity, learners collect, analyze, and interpret information about objects in order to classify them into a cladogram. Use this activity to talk about how scientists classify things.

In this activity, learners play an evolution card game to see how selective pressures can affect an organism's evolution.

In this environmental science lesson, learners will examine hazardous chemicals and their effects on human health and the environment.

In this math lesson, learners model exponential decay and exponential growth using M&M's, paper folding, and African rhino population data.