Metamorphic Rocks

How do metamorphic rocks form? 

• Heat and Pressure
• Compaction & Cementation
• Cooling of Magma
• Sediments & Glue

Metamorphic rocks form from ___.

• igneous rocks
• other metamorphic rocks
• sedimentary rocks
• all types of rocks

Granite forms what type of metamorphic rock?

• slate
• marble
• gneiss
• quartzite

When metamorphic rocks are formed, the extreme heat is usually caused by the _______.

• gravity in the atmosphere
• collision of tectonic plates
• the fiery hot magma in the Earth's mantle
• weight of the mountains

Any rock formed when another rock is changed by heat or __________ is a metamorphic rock.

• pressure

• arrangement

• magic

Metamorphic Rocks are classified by

• Mineral Composition
• Texture (foliated / non foliated)
• Grain Sizes
• How they formed.

Which of the following best describes the type of environment a metamorphic rock forms in

• High heat, low pressure
• Low heat, high pressure
• High heat, high pressure
• Low heat, low pressure

Which rock family is composed of rocks that have been changed by heat, pressure, or chemicals?

• Sedimentary
• Metamorphic
• Lunar
• Igneous

What do we call the group of metamorphic rocks that have visible layers or bands of minerals within them?

• Sedimentary
• Stratified
• Foliated
• Unfoliated

Geologists classify metamorphic rocks according to the __________ of the grains making up the rocks.

• pressure
• arrangement