Sift through soil and learn about why it's important for organic processes. After discussing what makes up soil, such as the living organisms and what types of soil have more nutrients, kids sample layers of mulch and deeper soil to...

Ready to roll up those sleeves and get your hands dirty? Dirty with soil science content, that is! Overcome those "But it's just dirt" objections with a trip outside to collect soil samples for some in-class analysis. Use the...

It takes a strong foundation to build a house and a stronger one for a bridge. This resource presents the effects of geology and soil on bridge foundations. Working in groups, the class investigates the interaction of shallow and deep...