Rocks and Minerals Study Guide

Front

Properties of samples: W (hard, 2 materials), X (soft, 1 material), Y (hard, 1 material), Z (hard, 3 materials). Which are minerals and which are rocks?

Back

Samples X and Y are minerals, and samples W and Z are rocks.

Front

Which of the following is NOT a property of minerals? Options: luster, fracture, color, ore

Back

ore

Front

How is coal formed?

Back

Buried organic debris, compressed and heated, leaving carbon behind.

Front

Characteristics of an unknown rock: no layers, no individual particles or crystal grains, smooth and glassy. What is the classification? Options: intrusive igneous rock, extrusive igneous rock, intrusive metamorphic rock, extrusive metamorphic rock.

Back

extrusive igneous rock

Front

The processes responsible for changing sediments into sedimentary rock are compaction and

Back

cementation.

Front

Which property of minerals is described with the Mohs scale? Options: hardness, luster, fluorescence, fracture

Back

hardness

Front

Unknown rock sample X formed from weathering, erosion, and compaction.

Back

a sedimentary rock

Front

Which is NOT a property of rocks and minerals that can be discovered by looking at them? Options: texture, weight, color, luster

Back

weight

Front

How are elements, rocks, and minerals related?

Back

Rocks are made of minerals, and minerals are made of elements.

Front

The process in which existing minerals are changed into new minerals due to the influence of extreme pressure or temperature is called

Back

metamorphosis