Rocks and Minerals

Front

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

Back

luster

Front

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

Back

hardness

Front

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

Back

streak

Front

What process causes many sedimentary rocks to have visible layers?

Back

deposition

Front

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

Back

grains

Front

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

Back

texture

Front

What rock forms from cooling of magma or lava?

Back

igneous

Front

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

Back

sedimentary

Front

Metamorphic rocks are made by heat and what?

Back

pressure

Front

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

Back

extrusive