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In this two part activity, learners become draft detectives by constructing their own draft catchers to detect drafts around windows or doors.

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

In this environmental activity (page 16 of the PDF), learners will calculate the amount of energy they save by recycling paper, plastic, glass, and aluminum materials over the span of a week.

Learners will build and experiment with their own windmills made from simple household materials.

In this activity on page 11 of the PDF, learners follow simple steps to recycle old newspaper into new paper.

In this (edible) activity, learners balance chemical equations using different kinds and colors of candy that represent different atoms. Learners will work in pairs and explore conservation of atoms.

In this lesson, learners will understand the concepts behind endangered and extinct animals and develop their own conservation plan to save three endangered species.

This activity was designed for blind learners, but all types of learners can participate to learn about conservation of gas. This is one of the classic experiments using baking soda and vinegar.

In this activity on page 7 of the PDF (Water in Our World), learners make their own water treatment systems for cleaning water.

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

In this activity, learners explore how engineers work to solve the challenges of a society, such as delivering safe drinking water.