First 9 Weeks Review

In the rock cycle, the process by which igneous rock changes to a sedimentary rock must begin with _____________.

• erosion
• weathering
• compaction
• cementation

How can sedimentary rock change into metamorphic rock?

• erosion and deposition
• melting and crystallization
• heat and pressure
• compacting and cementation

What is the MOST COMMON intrusive igneous rock?

• granite
• basalt
• obsidian
• pumice

What is the MOST COMMON extrusive igneous rock?

• granite
• basalt
• obsidian
• pumice

Metamorphic rocks form deep beneath the Earth's surface.

• true
• false

A metamorphic rock in which the grains line up in parallel bands is a ___________.

• clastic rock
• foliated rock
• nonclastic rock
• nonfolliated rock

Various processes are involved in the formation of different types of rocks. The diagram below illustrates changes in rock such as granite (igneous) forms gneiss (metamorphic). In addition to heat, which of the following changes granite into gneiss?

• acid
• water
• pressure
• erosion

What is an example of a useful metamorphic rock?

• Obsidian
• Pumice
• Marble
• Sandstone

Although brick, steel and glass all come from substances found in Earth's crust, they are not classified as minerals because__________.

• they are organic
• they are not naturally occurring
• they are too hard
• they have many uses

the process in which running water, wind and gravity move sediment

• deposition
• erosion
• compaction
• cementation