What caused the collapse of the environment on Rapa Nui (Easter Island)? Who constructed the Moai? What was their purpose? Class members assume the role of investigators and use evidence drawn from field studies, ships' logs, and...

Producers, herbivores, carnivores, omnivores, decomposers. To begin a study of the forest ecosystem, learners examine the connections among the members of ecological communities.

Learners study the interdependence of an ecosystem that allows it to sustain itself. They examine the Western lowland gorillas for an example.

Students, in groups, take samples from a creek and keep a field journal on their samples. They also perform tests on their samples.

Eighth graders create a plant study guide using their outdoor classroom environment. In this ecology lesson, 8th graders take photographs of plants they collect from the outdoor classroom and create plant field guides. Students...

Students examine the consequences of cutting down large amounts of forests throughout the world. In groups, they use the internet to complete a module taking them on a tour through different temperate forests. To end the instructional...

High schoolers discuss what happens to their wastewater. They read about the wastewater treatment process. Students are asked what types of things get flushed down toilets or goes down drains in sinks and showers. They are taught what...

Students list four ways to identify trees. In this tree identification instructional activity, students use tree identification techniques such as leafs, bark, wood grain, soil type, and climate to create tables and graphs.