Igneous Rocks

What kind of rock forms from hot, liquid rock or magma and then cools and solidifies?

• mineral

• metamorphic

• igneous

• sedimentary

The word Igneous comes a Latin word that means what?

• very hot

• fire

• flames

• lava

True or False?

All Igneous rocks used to be on fire.

• True

• False

Igneous rocks begin as _____________ .

• magma

• metamorphic rock

• lava

• plutons

Light-colored Igneous rocks that are rich in aluminum, potassium, silicon, and sodium are called __________ rocks.

• volcano

• gneiss

• felsic

• sedimentary

Dark-colored Igneous rocks that are rich in calcium, iron, and magnesium are called __________ rocks.

• volcanic

• metamorphic

• sandstone

• mafic

When magma cools slowly, Igneous rocks contain _______

crystals.

• no

• 100

• more

Tags

NGSS.MS-PS1-4

What are the three ways magma can form? Choose three.

• when rock is heated

• when pressure is released from a rock

• when a rock changes composition

• when rocks get weathered

At what temperatures does magma freeze? (cool)

• between 0 and 10 degrees

• between 100 and 120 degrees

• between 700 and 1,250 degrees

• 6,000 degrees

Tags

NGSS.MS-PS1-4

What kind of rock forms from magma that cools BELOW Earth's surface?

• extrusive igneous rock

• extra special rock

• intrusive igneous rock

• pressurized rock