Minerals and Rocks

What are the 3 major types of rocks?

• Igneous, Metamorphic, Sedimentary

• Metamorphic, Igneous, Sementation

• Streak, Hardness, Breakage

• Brown, Red, Gray

This rock was found near the mouth of a volcano. What type of rock is this?

• Sedimentary

• Metamorphic

• Igneous

This rock was formed by smaller pieces of rock that settled at the bottom of a lake millions of years ago. What type of rock is this?

• Sedimentary

• Metamorphic

• Igneous

How do sedimentary rocks form?

• by heat and pressure deep underground

• by pressure of layers of sediment

• by heat from volcanos

What type of rock is pictured?

• Igneous

• Sedimentary

• Metamorphic

A mineral is...?

• formed from heat of magma

• solid material made from many different kinds of rocks

• a solid matter formed in nature and found in earth materials (rocks)

• made from layers of sediment

True or false? A rock always stays the same.

• True

• False

A rock that has been changed by squeezing and heating is ________ rock.

• metamorphic

• sedimentary

• igneous

The process by which metamorphic rocks are formed...?

• heat and pressure

• melting and cooling

• erosion and deposition