Should middle school science teachers be concerned about students bringing in unknown sources of soil to work on in class as the activity suggests? The science is well intended, but is it safe? What are some possible safety issues that might be of concern in dealing with soil samples? This month's column provides several examples of unsuspecting…

Off-road motorcycle racing and ATV riding. Gardening and fishing. What do these high-adrenaline and slower-paced pastimes have in common? Each requires soil, and the texture of that soil has an effect on all of them. In the inquiry-based lessons described here, students work both in the field or laboratory and in the classroom to collect soil…

The southwestern United States is experiencing the third year of a perhaps long-term drought. Many places in the West are considered desert, with less than 10 inches of rainfall per year. Because of local drought conditions, conservation of water is essential. Leupp, Arizona, where the author teaches, is situated on the Colorado Plateau, a region…