Mars has always captured human imagination with its striking red hues and mysterious landscapes. Recent images from NASA’s ...

A sand filter, or "filtration basin", is a stormwater quality treatment system that works by using a two-component clarification system: the first is a sediment forebay for settling large particles ...

The dredging boats make matters worse by rejecting sand particles that are too fine, releasing vast plumes that muddy the waters, disrupting habitats well beyond the actual extraction sites. Beaches ...

The water is able to pass through the tiny gaps in the paper but the sand particles are too big and are left on the surface of the filter paper. By dissolving salt in water you make a solution.

Introduce the term "unconsolidated," which refers to loose, uncemented material such as dry beach sand. The particles of an unconsolidated material can separate easily. Ask your students to think ...

What do glaciers and the Sahara Desert have in common? Both are sources of silt-size particles that interact with wind, sand, and vegetation to form loess deposits. Deflation, the lifting and ...