Rocks & Minerals Review

Which statement best expresses the relationship between rocks and minerals?

• Rocks and minerals are the same

• Minerals are usually made of rocks

• rocks are usually made of minerals

• rocks and minerals are made of gems

An inorganic solid that occurs naturally and has a definite, repeating structure is a:

• ore

• gem

• mineral

• rock

What property test would be helpful for gold miners who thought they found real gold, but it was really Fool's Gold?

• Mohs Scale

• Luster

• Streak

• Taste

When lava erupts from a volcano, it cools quickly in the water and forms a type of rock with visible crystals. We would call this _________________ igneous rock.

• extrusive

• intrusive

• biochemical

• metamorphic

When limestone undergoes intense heat and pressure, it turns to marble. What type of rock is marble?

• extrusive igneous

• bichemical

• sedimentary

• metamorphic

If a rock is made of mostly shells and shell fragments that are compacted and cemented together, what type of rock would this be?

• igneous

• biochemical

• sedimentary

• metamorphic

When a rock breaks and creates smooth, even edges, this is called the property of:

• luster

• hardness

• cleavage

• fracture

A rock is:

• always made of molten material

• a mixture of minerals, organic matter, volcanic glass or other materials

• a pure mineral

• either igneous or sedimentary

The rock cycle...

• stopped millions of years ago

• stops for a while then starts again

• is happening all the time

• just recently began

Wind, water, ice and gravity are all forces of:

• earthquakes

• organic rock

• the rock cycle

• erosion