Rocks and Minerals 2019

This rock was molten lava that cooled quickly as it came out of a volcano. What type of rock is this?

• Sedimentary
• Igneous
• Metamorphic

This type of rock is formed when magma cools and hardens.

• igneous
• sedimentary
• metamorphic
• granular

These rocks are formed from accumulated layers of sand and other fragments of material.

• igneous
• sedimentary
• metamorphic
• rudimentary

These rocks are formed under the surface of the earth due to intense heat and pressure.

• sedimentary
• igneous
• metamorphic
• solicitous

Rocks are composed of one or more ___

• minerals
• fragments
• phases
• deviations

The name of a mineral that can scratch fluorite is

• talc

• gypsum

• topaz

• calcite

If you were to classify minerals by hardness, which of the following would be the hardest?

• 1

• 10

• 4.5

• 7

Identify the mineral that can scratch quarts and feldspar, CANNOT scratch a diamond, and is harder than a topaz.

• fluorite

• apatite

• gypsum

• corundum

The color of a mineral in powder form is called the mineral's

• hardness

• specific gravity

• luster

• streak

How light reflects off of a mineral is called the mineral's

• luster

• streak

• cleavage

• fracture