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Learners build a filter from old soda bottles and dirt. They create polluted water, and pour it through their filter to clean it.

This activity encourages learners to focus on the natural environment of the Eastern Woodlands before the arrival of European settlers.

How does a green roof, or roof covered by plants, affect the temperature of the inside and outside of a building? Learners design and build houses to find out the answer.

In this activity on page 27, learners perform an experiment to learn about how different types of marine debris degrade and how weather and sunlight affect the rate of degradation.

In this activity, learners identify different plastics in a mystery bag. Learners discover that plastics are classified #1 through #7.