Metamorphic Rock

A metamorphic rock in which the grains line up in layers is called a _____________.

• Foliated Rock
• Clastic Rock

Which one of these is a type of foliated rock?

• Gneiss
• Sandstone

Marble is often used in sculpture because its even grain allows it to be carved into complex and detailed shapes.

• True
• False

The deeper a rock is buried in the crust, the greater the pressure on that rock.

• True
• False

Metamorphic rock will not form out of other metamorphic rock.

• False
• True

The metamorphic rock ___________ usually form when limestone is subjected to heat and pressure deep beneath the surface.

• Marble
• Slate

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

• True
• False

Geologists classify metamorphic rocks according to the ___________ of the grains making up the rocks

• Color
• Arrangement

Collisions between the Earth's plates push rock down toward the heat of the Earth's___________.

• Crust
• Mantle

The rock is squeezed so tightly that the appearance, texture,  and the crystal structure of the rock's minerals change, creating metamorphic rock.

• True
• False