4th Grade Soils, Rocks, and Landforms

A substance that geologists use to identify rocks that contain calcite

A process in which two or more materials mix in a way that forms new materials

When a material mixes uniformly into another

The uneven, rounded, or splintered surfaces of some minerals when they break

Ingredient of a rock

The largest category of rock pieces; component of soil

A material such as soil or water that comes from the natural environment

A mix of humus, sand, silt, clay, gravel, and/or pebbles

Something that you can observe about an object or a material. Size, color, shape, texture, and smell are properties