The cycling of earth's material L1

The cycling of earth's material L1

Poll

Once a rock forms as part of a mountain, it does not change.

• True

• False

Rocks and Minerals

• A rock is a natural, solid mixture of minerals, smaller rock fragments, organic matter, or glass

• Minerals are naturally occurring, inorganic solids that have crystal structures and definite chemical compositions. 

Multiple Choice

A natural mixture of minerals, smaller rock fragments, organic matter.

• erosion

• magma

• rock

• minerals

Multiple Choice

A type of rock that forms from the cooling of molten rock at or below the surface of the earth

• Igneous Rock

• Metamorphic Rock

• Sedimentary Rock

• chemical Rock

Multiple Choice

Igneous rock that forms from lava on Earth's surface

• Organic Rock

• Intrusive Rock

• Clastic Rock

• Extrusive Rock

Multiple Choice

Igneous rock that forms when magma hardens beneath Earth's surface

• Chemical Rock

• compaction

• intrusive Rock

• extrusive

Multiple Choice

Extrusive rocks that form quickly above the Earths surface have

• small crystals

• large crystals

• small and large crystals

• no crystals

Multiple Choice

Igneous rocks form from ____ when it cools.

• magma

• lava

• neither a nor b

• both a and b

Multiple Choice

The crystals that form in slowly cooled magma produce ____ mineral grains.

• tiny

• invisible

• fine-grained

• large

Open Ended

Which type of rock is formed from the solidification of magma or lava?

Open Ended

What causes the difference in grain size between intrusive igneous rocks and extrusive igneous rocks?