Rocks and Minerals

What is the term used to describe how light is reflected from a mineral's surface?

• luster

• streak

• hardness

• fracture

The Moh's scale rates the what of a mineral?

• hardness

• streak

• luster

• fracture

The _____ of a mineral is the color of its powder.

• streak

• luster

• hardness

• fracture

What process causes many sedimentary rock to have visible layers?

• deposition

• erosion

• compaction

• cementation

Tags

NGSS.MS-ESS1-4

Most rocks are made up of particles of minerals or other rocks, which geologist call?

• grains

• granite

• basalt

• streak

What is the look and feel of a rock's surface?

• texture

• grain

• streak

• granite

What rock forms from cooling of magma or lava?

• igneous

• sedimentary

• metamorphic

• old

What rock forms when small particles of rocks or organic material are pressed together?

• sedimentary

• igneous

• metamorphic

• little

Metamorphic rocks are made by heat and what?

• pressure

• more heat

• time

• imagination

Igneous rock that is formed from lava on the earth's surface is know as...

• extrusive

• intrusive