Rocks and Minerals

A girl collects rocks while at the beach. She notices that the rocks are milky white and contain fossils. What type of rock has she found?

• Sedimentary, because it contains fossils.

• Sedimentary, because it is milky white.

• Metamorphic, because it contains fossils.

• Metamorphic, because it is milky white.

Tags

NGSS.MS-LS4-1

How are metamorphic rocks formed?

• through glaciers

• through magma & lava

• through erosion and deposition

• through heat and pressure

Metamorphic rocks that are banded are known as _________?

• Intrustive

• Extrusive

• Foliated

• Nonfoliated

Magma

• a mineral with a hardness of 7

• Melted rock above earth's surface

• Melted rock beneath Earth's surface

• Forms a metamorphic rock

Cleavage

• A property where minerals break into rough jagged pieces.

• A mineral that can be cut and polished for use in jewelry.

• A property where minerals break into pieces that have smooth, flat surfaces.

• The ability to scratch an object or be scratched by an object

Coal is not considered a mineral because:

• You cannot see the crystal structure.

• It is organic, or made from living things.

• It exists as a liquid in normal conditions on earth.

• It is man-made.

Metamorphic rocks such as marble and quartzite are said to be _____________ because their minerals grains are arranged randomly.

• Intrusive

• Cleavage rocks

• Non-Foliated

• Foliated

Rock particles are called

• minerals

• sediments

• shells

• stalactites

When the magma cools slowly, the crystals in igneous rocks are

• large

• nonclastic rock

• texture

• small

When molten rock cools, it becomes solid and forms ___________ rock.

• Igneous

• Metamorphic

• Foliated

• Sedimentary