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In this activity, learners explore how engineers design devices that can detect the presence of pollutants in the air.

In this outdoor activity, learners investigate the relationship between the slope of a trail and soil erosion.

In this activity, learners take an indoor nature walk and discover various objects that have been brought in from the outdoor environment.

Learners work in teams to design and build solar water heating devices that mimic those used in residences to capture energy in the form of solar radiation and convert it to thermal energy.

In this outdoor activity, learners plan a simple foot path and create an environmental impact study of the natural area where the path would be.

In this activity on page 24, learners perform experiments to examine whether or not trash can float, blow around, or wash away.

In this activity, learners will take a step back and learn the history of the land they live on, and the people who used to live on it.

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 design-based lesson, learners study flood dynamics as they modify a riverbed with blockages or levees to simulate real-world scenarios.

In this Bob the Builder(TM)-themed activity, learners go on a nature walk outside and describe what they observe using their senses.

In this environmental science activity, learners research what is essential for plant life and the necessary components of soil to support plants.

In this field study, learners discover how to collect data in the field and how their efforts can help certain animals, specifically, amphibians.

This is a comprehensive lesson plan on page 85 for a group cleanup trip to a local beach, lake or stream. Learners keep track of the types and amounts of trash picked up and analyze this information.

In this activity, learners work in groups to design a parachute out of household items that keeps an egg secure when dropped from a certain height.