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Learners construct an electricity-generating wind turbine out of a plastic bottle.

Learners take on the role of environmental engineers as they design water filters.

In this creative activity, learners will find out what makes an insect an insect by studying examples of insect adaptations and by examining why there are so many different types of insects.

This activity models the necessary balance of creating power and cleaning up its associated waste. Learners participate in a game where they attempt to move forward toward a goal.

In this design-based activity, learners explore environments, ecosystems, energy flow and organism interactions by creating a model biodome. Learners become engineers who create model ecosystems.

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, learners create a soil and water model of a single-cell life environment and study living microorganisms.

Many people get water from a source deep underground, called groundwater.

Learners build a wind turbine and test it to see how much energy is created.

In this creative activity, learners will find out what makes an insect an insect by studying examples of insect adaptations and by examining why there are so many different types of insects.

In this activity, learners build one or more edible coral polyps and place them together to form a colony.

In this activity, learners construct models of plants that are adapted to living under specific environmental conditions.

Learners observe a simple balloon model of an electrostatic precipitator. These devices are used for pollutant recovery in cleaning industrial air pollution.

In this activity, learners interact with a 3-D model of a watershed to better understand the interconnectedness of terrestrial and aquatic environments.

This activity (on pages 13-18) has learners build a model tree and then figure out how to make their tree stand up by itself.

Working in groups, learners model the continuous destruction and creation of ozone (O3) molecules, which occur in the ozone layer.

Educator Amy O'Donnell from the American Museum of Natural History guides learners to create a diorama of a coral reef.

In this activity about camouflage, learners create a model that shows how a flounder is able to blend into a variety of environments.