The Geosphere - Vocabulary

The way a mineral's surface reflects light

• streak

• luster

• fracture

• cleavage

The color of a mineral's powder

• streak

• luster

• fracture

• cleavage

The tendency of minerals to break along smooth, flat surfaces

• streak

• luster

• fracture

• cleavage

The tendency of minerals to break along irregular surfaces

• streak

• luster

• fracture

• cleavage

The thin outer layer of the geosphere

• crust

• core

• mantle

• fracture

The thick rocky middle layer of the geosphere

• crust

• core

• mantle

• boulder

The crust and the uppermost mantle form a brittle outer layer called _______

• asthenosphere

• lithosphere

• geosphere

• hydrosphere

The weak partially melted layer of the mantle is called _____

• asthenosphere

• lithosphere

• geosphere

• hydrosphere

The dense metallic center of the earth

• crust

• mantle

• core

• geosphere

Layers of geosphere in order from outer to inner.

• crust, core, mantle

• core, mantle, crust

• mantle, crust core

• crust, mantle, core