Let's Create an Ecosystem

Demonstrate to your middle school science learners how chalk breaks down in a weak acid. Discuss what affects acidic rain might have on ecosystems. Lab groups then choose one of two questions: "How does acid precipitation affect an...

Examine the impact the fishing industry has on local ecosystems. The hands-on lesson begins with an experiment that tests the effectiveness of fish-based fertilizers. It continues with a computer-based module that simulates sustainable...

Roll up your sleeves and get a little dirty with this elementary and middle school compost lesson. All you need is a large plastic container, a couple old newspapers, some organic waste, and a few hundred worms and you're ready to start...

Take your science class on a hypothetical field trip to Mars with an engaging astronomy lesson. After first learning about NASA's Mars rover missions, young scientists plan their own scientific investigations of Earth's nearest neighbor.

An environmenta science unit includes three lessons plus a cumulative project covering the ecosystem. Scholars follow the history of the Ford Rouge Factory from its construction on wetlands and how it destroyed the environment to its...

Help build young scholars' understanding of living things with the tools provided in this comprehensive life science resource. Including a total of nine lessons that cover topics ranging from plant and animal life cycles to heredity and...

Hidden hundreds of feet above the ground in the redwoods of Northern California is a whole world that was just waiting to be discovered. This video tells the story of Stephen Sillett who, inspired by his grandmother, set out to explore...

A eloquent narrative and unique animation expound on the megafauna and megaflora that once dominated the planet and helped keep ecosystems in balance. Is there anything that can be done to undo the damage we've done? The speaker proposes...

Explore the role of feedback loops in maintaining nature's delicate balance with this short science video. Introducing the concepts of positive and negative feedback, multiple examples are presented that explore the intricate web of...

There are millions of plant and animal species on the planet, but why do we need so many? Follow along with this short video as it explains how biodiversity helps strengthen ecosystems, allowing them to adapt to change so that life...