Rocks and Minerals (Chapter Test)

A mineral is inorganic, which means that it contains __.

• compounds
• materials made by humans
• parts of living things
• no materials that were once part of living things

The repeating pattern of a mineral's particles forms a solid called a(n) ___.

• crystal
• element
• compound
• rock

Tags

NGSS.MS-PS1-1

__ is the hardest known mineral.

• Talc
• Quartz
• Diamond
• Gold

Most minerals do NOT split apart evenly. Instead, they have a characteristic type of ____.

• cleavage
• fracture
• crystal
• luster

The softest mineral on the Mohs hardness scale is ___.

• quartz
• talc
• apatite
• gypsum

Click the one that is NOT a characteristic of minerals.

• organic
• solid
• crystal structure
• naturally occurring

When all the grains in a rock are small and hard to see, the rock is described as ___.

• extrusive
• nonbanded
• intrusive

To describe a rock's texture, geologists determine___.

• the color and density of the rock
• how the rock formed
• how many minerals the rock contains
• the size, shape, and pattern of the rock's grains

Rock that forms from the cooling of magma below the surface or lava at the surface is called ___ rock.

• sedimentary
• metamorphic
• igneous
• rough-grained

Igneous rock that formed from lava that erupted onto Earth's surface is called ____ rock.

• extrusive
• intrusive
• clastic
• sedimentary