Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
Sand is composed primarily of finely divided rock and mineral particles. It’s typically defined by size, being finer than gravel and coarser than silt.
Related terms
Sediment: Material that is broken down by processes of weathering and erosion, and is subsequently transported by the action of wind, water, or ice.
Silicon Dioxide: The chemical compound SiO2, also known as silica, which is most commonly found in nature as quartz and is a major component of sand.
Granular Material: A conglomeration of discrete solid particles that can range in size from microscopic powders to large rocks.