How Much Is an Ecosystem Worth?

Explore the Earth's different ecosystems through four lessons, an assessment, and extension activities. Lessons include informative text and step-by-step instructions to apply knowledge in interactive, and thought provoking ways; such as...

Did you know light can decrease visibility? Light pollution absolutely makes it more difficult to see stars. Scholars build a simple magnitude reader to determine the magnitude of stars. They use these data to estimate the impact of...

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...

Young biologists trace the path of the sun's energy through marine ecosystems in the second part of this four-instructional activity series. Building on prior knowledge about producers, consumers, and decomposers students are...

Young scientists play tag as they act out the food pyramid in the ocean ecosystem. Energy circles pass from the smaller prey to the predators and at the end of the activity, a data chart and analysis questions allow pupils to apply their...

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

What is the real cost of electricity? The real cost is not just the price you pay, but the environmental and economic costs as well. Scholars build, use, and judge the effectiveness of a turbine. They also investigate the environmental...

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...

No question is a silly question! Vsauce is a website that investigates strange questions. Founder and science educator, Michael Stevens, explains the value of the such questions to an audience and demonstrates by working through the...

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...