Types of Rocks

Rocks are broken up into three major groups:

• magma, metamorphic, and minerals

• igneous, metamorphic, and sedimentary

• sedimentary, sand, and igneous

Rocks that come out of volcanoes form the greater part of the Earth's crust. These rocks are:

• igneous

• sedimentary

• metamorphic

A rock that contains a fossil is most likely

• igneous

• metamorphic

• sedimentary

A metamorphic rock is a rock that is formed under the Earth's surface from a change that occurs from extreme:

• heat and pressure

• cold and pressure

• cold and high winds

Which of the following is NOT an example of an igneous rock:

• Obsidian

• Granite

• sandstone

The process in which rocks transform into other rocks over time due to weathering is known as:

• The weather cycle

• the rock cycle

• The earth cycle

This type of rock often has bubble holes were gases were trapped when the rock cooled.This rock would be classified as a (a)  

Sandstone, amber, and limestone are examples of a (a)  

Rocks that come out of volcanoes and form the greater part of the Earth's crust. These rocks are (a)  

Non-living substances made up of one or more minerals are known as (a)