Rocks and Minerals

Pick the correct difference between a rock and a mineral.

• A rock can be made up of minerals, but minerals cannot be made up of a rock.

• A mineral can be made up of rocks, but rocks cannot be made up of minerals.

• A rock always has the same shape, while minerals may be different in shape.

• A mineral always has the same shape, while a rock may be different in shape.

Which of the following is NOT a property of a mineral?

• luster

• color

• hardness

• size

Metamorphic rock is formed by

• compacting and cementing.

• erosion and weathering.

• melting and cooling.

• heat and pressure

How are rocks most often classified?

• by their age

• by their mass

• by their location

• by their formation

Which type of rock is formed by the cooling of magma?

• metamorphic

• sedimentary

• igneous

• clastic

Which best describes what is formed when lava cools and then hardens?

• rock

• mineral

• bone

• gem

Which of the following is an organic sedimentary rock that can burn and be used as fuel?

• marble

• coal

• sandstone

• granite

A student wants to set up an investigation to determine the identity of several different minerals. Which of the following properties should NOT be used?

• hardness

• streak

• shape

• luster

Which of the following is NOT a common characteristic used to identify minerals?

• crystal form

• color

• melting point

• hardness

A student made a mistake when making a table of three ways to identify minerals and rocks. What mistake did the student make?

• Rocks are not identified by their shape.

• Minerals are not identified by their color.

• Minerals are not identified by their streak.

• Rocks are not identified by their hardness.