Rocks

_________________are often sorted by their main characteristic, which is how they formed.

• rocks

• minerals

____________________ form from molten rock, or magma. Magma heats up below or inside Earth’s crust.

• igneous rocks

• sedimentary rocks

_____________________________ forms from particles in the environment that settle to form layers

• sedimentary rock

• metamorphic rocks

________________ forms from ribbons of different sand.

• limestone

• sandstone

white _______________ is made from bones and shells of sea creatures.

• limestone

• sandstone

Conglomerate is made from chunks of rock glued together by other rock. (True or False)

• True

• False

Rock that changed by heat, pressure, or both is called ____________________.

• metamorphic

• igneous

____________________ is made when limestone or chalk is heated and squeezed

• marble

• slate