Discuss why earthworms may prefer some soil types to others. Questions to dicuss: The key to successful discussion here is the scientific reasoning behind responses. Even if suggestions may not seem ...

Starting with a set of field experiments piggybacked on a soil flow path tracer experiment at the Rocky Flats site in 1993, we have been investigating the mobilization and transport of particles in ...

How do soil factors, such as chemistry, water status, etc. affect invertebrate diversity? Students spend two four-hour lab sessions on this project. A field trip is made to the study site. Students, ...

Does grass grow taller and with a healthier root system in wood chips, soil or dirt? I am an eighth-grader at Central Middle School. For an assignment, I designed and conducted a controlled ...

HARRY: We're trying to find out which of our soil samples holds the mostwater. For this experiment. We're going to use: three soil samplessand, clay and chalk. Weighed to equal amounts ...

Firefighters battling the deadly wildfires that raced through the Los Angeles area in January 2025 have been hampered by a limited supply of freshwater.