Geology 2

Coal of a hard variety that contains relatively pure carbon and burns with little flame and smoke.

• anthracite

• igneous

• dolomite

• limestone

Tags

NGSS.MS-ESS3-1

A dark, fine-grained volcanic rock that sometimes displays a columnar structure.

• lapis lazuli

• obsidian

• basalt

• pumice

A sedimentary rock formed from rounded gravel and boulder sized clasts cemented together in a matrix.

• obsidian

• conglomerate

• basalt

• igneous

A fine- to medium-grained, dark gray to black intrusive igneous rock.

• anthracite

• basalt

• pumice

• diabase

A sedimentary carbonate rock that contains a high percentage of CaMg(CO₃)₂.

• dolomite

• diabase

• limestone

• granite

Tags

NGSS.MS-ESS2-1

An intrusive igneous rock that is black in color and has a composition similar to basalt.

• pumice

• obsidian

• limestone

• gabbro

A light-colored igneous rock with grains large enough to be visible with the unaided eye.

• conglomerate

• granite

• lapis lazuli

• anthracite

Tags

NGSS.MS-ESS2-1

Igneous rock is rock formed by solidification of a molten magma.

• true

• false

A bright blue metamorphic rock used for decoration and in jewelry.

• obsidian

• anthracite

• lapis lazuli

• gabbro

A hard sedimentary rock, composed mainly of calcium carbonate or dolomite, used as building material and in the making of cement.

• limestone

• basalt

• granite

• pumice

Tags

NGSS.MS-ESS2-2