Where Do Wastes Come?

Plants need food to survive, just like any other living organism. Young biologists analyze an experiment performed in 1610 by Jan van Helmont to determine if plant nutrition is obtained through the soil. First, lab groups work together...

This is not your ordinary farm! Using a case study, small groups study two proposed locations for a wind farm. After researching all the information about the sites, the groups choose a site. Each team member writes up the proposal...

Did you know that the population is expected to grow to 11 billion by 2100? The resource serves final installment in a six-part series on the global population and its effects. Scholars interpret data from the United Nations about the...

From stately oaks to towering pines, trees are the largest members of the plant kingdom that most people see. But how do trees get so big? Find out where the mass of a tree comes from with a short video. The narrator presents the topic...

Surprisingly, dinosaur teeth and human teeth have a lot in common. Scholars discover how teeth form during embryonic development. They then compare fossil evidence of the similarities of teeth of ancient species.

No, you didn't get your genes from the local clothing store. Learn where they really come from by watching this video as it explores how the genes found in all plants and animals today have arisen over billions of years of mutations from...

Students work together to identify sources of hazardous waste in their community. They discover the threat it poses to the environment. They examine how to properly dispose of hazardous waste as well.

Investigate the theories of human evolution. In this research based instructional activity, learners research and discuss how geographic isolation, interbreeding, generalization, and specialization are factors in the history of humans....

These aren't the type of jeans you can buy at a local store! Help your class understand what determines if you're a girl or a boy. Show this cartoon representation of how a male and a female's chromosomes shuffle, divide, and recombine...

If humans can live without one kidney, how important can they really be? Investigate the vital role these organs play in filtering our blood, removing waste, and managing our bodies' water supply with this short animated video.