Rocks, Minerals and Weathering

A naturally occurring, inorganic solid that has a crystal structure and a definite chemical composition is called a:

• Rock

• Mineral

• Sediment

• Magma

• None of the Above

What are the two primary ways that crystals form?

• Volcanic eruptions and earthquakes

• Erosion and deposition

• The cooling of hot, liquid rock (magma) and evaporation

• Compaction and cementation

• None of the Above

Elements found in nature in their mineral form are known as:

• Compounds

• Mixtures

• Native Elements

• Alloys

• None of the Above

Which of the following is NOT one of the seven physical properties of minerals?

• Color/Appearance

• Luster

• Streak

• Temperature

• None of the Above

The "Father of Mineral Hardness," known for developing a scale to measure it, is:

• Charles Richter

• Alfred Wegener

• Friedrich Mohs

• James Hutton

• None of the Above

On the Mohs Hardness Scale, the softest minerals are typically:

• Talc and Gypsum

• Quartz and Feldspar

• Diamond and Corundum

• Calcite and Fluorite

• None of the Above

On the Mohs Hardness Scale, the hardest minerals are typically:

• Talc and Gypsum

• Quartz and Feldspar

• Diamond and Corundum

• Calcite and Fluorite

• None of the Above

A mineral that can be stretched into a wire exhibits the property of:

• Brittleness

• Malleability

• Ductility

• Flexibility

• None of the Above

Any naturally occurring solid mass or aggregate of minerals or mineraloid matter is known as a:

• Mineral

• Sediment

• Rock

• Crystal

• None of the Above

Minerals are considered the building blocks of:

• Water

• Air

• Rocks

• Soil

• None of the Above