How many different types of biofuels are out there? Seventh graders watch a series of videos and participate in a series of activities in order to better understand all the transportation options available. They consider what type of car...

Environmental science classes read articles about two different scientific studies. One is about the effects of contraceptive chemicals on fertility, and the other is about how a pesticide may be reducing bone density in exposed...

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...

Combat ocean acidification with bubbles. Young engineers create a system that reduces the acidity of water. Dry ice in water helps simulate ocean acidity, and blowing bubbles into the water results in a gas exchange that neutralizes the...

For 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...

Double, double toil and trouble, fire burn and cauldron bubble! Find out what drives a turbine to generate electricity and whether or not it has an impact on the environment. A discussion and lecture is divided by a hands-on activity in...