Turf collapsed under her heel, and fine sand flowed in like oil, hiding all evidence.

The lighter gravel, sand, and dirt flowed over the edges of the trays.

The white sand flowed up and the world phased in to Chronos' timeline.

Loose sand flowed east, pushed by the wind.

"The sand flows through the glass, your Excellency," I said.

He turned his hand, reversing the glass without inverting it, so that the sand flowed upward.

Everyone watched as the sand flowed swiftly through the narrow neck.

Previous experiments showed that wet sand would not flow as well.

The Duke group realized that when sand flows it behaves very differently from flowing water.

The sand flows like water and is as slippery as ice.