Rock 2

Which of the following processes involves the binding of sediments together?

• Compaction
• Cementation
• Erosion
• Weathering

What does Luster mean?

• How it reflects light
• How easily it irregularly breaks apart
• How tightly packed the mineral is
• Is tested by using the scratch plate
• Is tested by the mohs scale

What does streak mean?

• Is tested by using the scratch plate
• How easily it irregularly breaks apart
• How tightly packed the mineral is
• Is tested by the mohs scale
• How it reflects light

Which process describes the transformation of sediment into sedimentary rock?

• Melting
• Compaction and Cementation
• Metamorphism
• Erosion

Which type of rock is primarily formed from the accumulation of plant and animal debris?

• Sedimentary

• Metamorphic

• Igneous

• Organic

What are grains?

• The grains are the particles of minerals that give a rock its texture

• Lines

• Bumps, lines, and dots

• It's chemical composition

Which of the following is an example of biological weathering?

• Freeze-thaw

• Wind blowing sand onto a rock

• Abrasion due to the movement of glaciers

• Plant that grows on the cracks of the rocks

What characteristic is common in metamorphic rocks?

• Fossils
• Foliations or layers
• Gas Bubbles
• Glassy Surface

Magma trapped below the surface forms large – grained ______________ rock when it cools.

• Extrusive

• Metamorphic

• Sedimentary

• Intrusive

Magma cooling at or near Earth’s surface forms small-grained __________ igneous rock.

• Extrusive

• Intrusive

• Sedimentary

• Metamorphic