Rocks and Minerals

Match it! Select the correct answer from the pull down...Good luck!

__________ rocks are formed by great heat and pressure.

This black combustible sedimentary rock is primarily used as a fossil fuel.

This type of extrusive igneous rock looks like black glass.

What kind of rock is formed by hardened magma that has cooled slowly below the Earth's surface?

The Earth's inner core is made up of these two minerals.

The ________is the continuous process by which rocks of one kind change into rocks of another kind.

_________ rocks are formed by years and years of sediment compacting together and becoming hard.

This describes how a mineral breaks up into pieces. Some break up into small cubes while others may break up into thin sheets.