Rocks Review

If an igneous rock cools off slowly UNDERNEATH the Earth's surface, then its mineral crystals will be...

• Small mineral crystals that you can barely see.
• Large crystals that are easy to see.
• No crystals, it will have bits of plant and bones.
• No crystals, it will contain sand. 

Which of the following are associated with volcanoes?

• Sediments and soil
• Crystals and sand
• Magma and lava
• Mica and granite

Which of the following is technically not a sediment?

• Bits of sand
• Crushed pieces of bone
• Shells
• Tiny pieces of dried leaves

The way a mineral splits is called?

• hardness
• layers
• bands
• cleavage

How does an intrusive igneous rock form?

• The deep ocean cools and hardens the rock.
• The rock cools and hardens deep below Earth's surface.
• The rock cools on land after a volcano erupts.
• The air cools the rock on land when lava flows down a volcano.

The way a mineral reflects light describes which of the following?

• Cleavage
• Streak
• Luster
• Hardness

What is the correct process to form a sedimentary rock?

• Compaction, Cementation, Erosion, Deposition
• Erosion, Compaction, Deposition, Cementation
• Cementation, Compaction, Deposition, Erosion
• Erosion, Deposition, Compaction, Cementation

Which of the following is NOT a sedimentary rock?

• Clastic
• Organic
• Chemical
• Extrusive

Geologists classify sedimentary rock according to...

• the types of sediments that make up the rock
• how fast lava or magma cools
• how heavy the rocks are
• what type of water it is found in

What is the process in which thick layers of sediment press down on the layers of rock beneath them?

• Erosion
• Deposition
• Compaction
• Cementation