Rocks and Minerals Review

A mineral is inorganic, which means that it contains_

• a. Compounds

• b. Materials made by humans

• c. Parts of living things

• d. No materials that were once part of living things

The repeating pattern of a mineral's particles form a solid called a(an)

• a. Crystal

• b. Element

• c. Compound

• d. Rock

is the hardest mineral.

• a. Talc

• b. Quartz

• c. Diamond

• d. Gold

Most minerals do NOT split apart evenly. This means they have a characteristic type of

• a. Cleavage

• b. Fracture

• c. Crystal

• d. Luster

The softest mineral on the Mohs hardness scale is

• a. Quartz

• b. Talc

• c. Apatite

• d. gypsum

Igneous rock that cools very quickly when it forms has a texture that is

• a. Smooth and shiny with no visible crystals

• b. Multicolored and banded

• c. Coarse grained

• d. Made of jagged grains

Igneous rock that cools slowly when it forms has a texture that is_

• a. Smooth and shiny with no visible crystals

• b. Multicolored and banded

• c. Coarse grained with large crystals

• d. Made of jagged grains

To describe a rock's texture, geologists determine_

• a. The color and density of the rock

• b. How the rock formed

• c. How many minerals the rock contains

• d. The size, shape and pattern of the rock's grain

Rock that forms from the cooling of magma below the surface is called rock​ (a)  

• Intrusive Igneous
• Extrusive Igneous

Igneous rock that formed from lava that erupted onto Earth's surface is called rock.​ (a)  

• Intrusive Igneous
• Extrusive Igneous