"Diagram showing three soil grains surrounded by water films: Straight arrows indicate direction and magnitude of the pressure of the capillary water surfaces; curved arrows indicate movement of water resulting from difference in pressure." -Department of Agriculture, 1899

Capillary Water Surfaces

"Diagram showing three soil grains surrounded by water films: Straight arrows indicate direction and…

These diagrams show that the bigger the circle or sphere, the more space in between.

Spheres

These diagrams show that the bigger the circle or sphere, the more space in between.