Population Connection
The Carbon Crunch
Carbon is in the air; should we care? Teach the class why it is important to pay attention to carbon levels and how the world population and various countries across the globe affect the carbon levels in the atmosphere. High schoolers...
University of Connecticut
Building Your Own Biosphere
On September 26, 1991, four women and four men entered the scientific experiment, Biosphere 2; the doors were sealed for two years in order to study the interactions of a biosphere. In the activity, scholars explore biospheres by...
Alabama Learning Exchange
Nature's Life Cycle
Become a member of the Pollution Patrol and stand up to litter! After discussing the life cycle of seeds and discussing how plants figure into the food chain, young conservationists engage in several activities involving podcasts,...
Carnegie Mellon University
How Power Plants Work 1
First of three lessons, this is a great start to a unit on energy. As you demonstrate, learners discover different types of energy and how it is converted from one form to another. They then focus in on the generation of electricity by...
Carnegie Mellon University
How Power Plants Work 2
In this second of three lessons on power plants, future engineers find out how we generate electricity and how coal-powered plants operate. They work in small groups to make electromagnet generators to light LED bulbs. A set of...