Describes the complex communities of animal and plant life found in freshwater and marine ecosystems; presents a visit with a marine biologist, discussing the oyster population of the Chesapeake Bay; and includes a hands-on experiment on the effects of pollution on lakes and ponds.
Describes the characteristics of tundra biomes, looks at where they are located in the world, discusses why tundra environments are important, and identifies some of the plants and animals that live in them. Includes an activity.
Describes the characteristics of rain forest biomes, looks at where they are located in the world, discusses why rain forest environments are important, and identifies some of the plants and animals that live in them. Includes an activity.
Describes the characteristics of desert biomes, looks at where they are located in the world, discusses why desert environments are important, and identifies some of the plants and animals that live in them. Includes an activity.
Bill Nye the Science Guy answers questions about garbage, and conducts two experiments that demonstrate how nutrients for plants are made, and how to create a small greenhouse.
Students will examine the importance of grassland regions and participate in a hands-on experiment to measure the moisture content of soil. An ecologist also discusses how scientists are restoring grassland regions to their original state.
Bill Nye the Science Guy answers questions about pollution, and conducts an experiment that demonstrates how to determine the decay rate of certain substances.