Quiz 15: Rocks & Minerals

Which set of elements make up 98% of the Earth's mass?

• Iron, oxygen, silicon, magnesium

• Nickel, calcium, aluminum, sodium

• Gold, silver, uranium, hydrogen

• Carbon, helium, nitrogen, potassium

Marble is a metamorphic rock that forms from

• shale
• granite
• sandstone
• limestone

Which rock type forms as a result of heat and pressure without melting?

• volcanic rock
• sedimentary rock
• metamorphic rock
• igneous rock

Which of the following rocks would you expect to have been formed from deposits of animal shells and skeletons?

• marble
• granite
• sandstone
• limestone

When a mineral breaks along smooth, flat surfaces, it is said to have

• cleavage
• luster
• hardness
• fracture

The repeated series of events by which rock gradually and continually changes between types is called the

• rock cycle
• rock evolution
• rock metamorphosis
• rock transformation

What is the main difference between lava and magma?

• Location
• Composition
• Temperature
• Color

Which of the following is a result of chemical weathering?

• Formation of new minerals or alteration of existing minerals
• Increase in temperature
• Formation of new landforms
• Erosion of rocks

Schist is a type of rock that would be classified as

• igneous
• sedimentary
• metamorphic
• volcanic

The term "igneous" refers to rocks formed from

• water

• wind

• earth

• fire