Rocks and minerals

_______________________ rocks form when sediment compacts or cements in layers on the earth's surface without heat or pressure.

• Sedimentary

• Metamorphic

• Igneous

________________________ rocks form when magma cools and hardens above or below the earth's surface.

• Metamorphic

• Igneous

• Sediment

What type of rock forms when heat and pressure change the structure, texture, and appearance of rocks?

• Sedimentary

• Igneous

• Metamorphic

Which of the following is not a type of rock?

• Igneous

• Metamorphic

• Sedimentary

• Silicate

Which of the following is a mineral property that shows the color of a mineral in powder form?

• Streak

• Cleavage

• Hardness

• Fracture

Which of the following is the softest mineral?

• Diamond

• Copper

• Talc

• Sulfur

Which type of rock forms from cooling lava or magma?

• Metamorphic

• Sedimentary

• Silicate

• Igneous

Which of the following rock types forms from compaction and cementation?

• Metamorphic

• Sedimentary

• Silicate

• Igneous

What type of luster does galena have?

• Glassy

• Silky

• Metallic

• Dull

The property of a mineral to break along smooth flat planes is called

• Cleavage

• Fracture

• Streak

• Hardness