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...

New roads, new businesses, new developments, new mass transit systems. All growth has both positive and negative effects on communities. Government classes investigate the principles of Maryland's 1997 Smart Growth program and...

Here's a fun game on a very serious matter. Scholars play a board game to learn about personal energy use and consumption. They see how various choices affect their energy use and costs, and then apply this knowledge to brainstorm ways...

Using a stream table, erosion enthusiasts examine how the density of sediment and how the slope of land contribute to the amount moved by waves. You will not be able to use this entire resource as is; there are teachers' names and...

Middle schoolers examine the way that many place names in Arkansas came to be. By looking at Arkansas highway maps, they find names that come from the characteristics of each of the state's six geographical divisions. This interesting...