Metamorphic Rocks (Metamorphism) 2024

Rocks are classified according to:

• how they form

• how they look

• their size

How are metamorphic rocks formed?

• Aliens bring them in their spaceships

• They come from meterorites

• They undergo a metamorphosis, a change

Metamorphic rocks are formed...

• when sediments are compacted and cemented together.

• when magma or lava cools and crystallizes.

• when already existing rocks are changed by heat and/or pressure.

What are the two types of metamorphism?

• Contact and Regional

• Local and Rural

• Continental and subterranean

The heat for Contact Metamorphism is provided by _____________-

• Surface water

• lava or magma

• the Sun

Regional metamorphism is caused by:

• pressure

• heat

• both heat and pressure

Which formed first? Shale or slate

• slate

• shale

What causes shale to eventually turn into gneiss?

• intense pressure

• erosion

• water

What is the difference between regional and contact metamorphism?  Please write in a complete sentence. Start the sentence with a capital letter and end with a period.