Volcanism

The rock shown is rhyollite.  We can tell that it is an ______________ igneous rock that quickly on the surface of the ground because it looks relatively smooth with only tiny crystals.

• extrusive

• intrusive

When magma solidifies inside earth's crust, but can eventually become exposed to weathering?

• extrusive volcanism

• intrusive volcanism

• plutonic volcanism

• none of the above

Magma may cool and crystallize to become solid igneous rocks and minerals with large beautiful crystals as shown in the image if...

• it cools slowly underground

• it cools quickly underground

• it cools slowly above ground

• it cools quickly above ground

Tags

NGSS.MS-ESS2-1

NGSS.MS-PS1-4

Identify the type of tectonic plate boundary that uses the help of water to form plutons?

• Divergent

• transform

• oceanic convergent

• continental convergent

Tags

NGSS.HS-ESS2-5

What is molten rock that has formed deep within the Earth?

• Hot Spot

• Magma

• Lava

• Volcano

Vocanoes are found...

• on land

• under water

• on islands

• all of the above

Very explosive volcanoes tend to have

• Low viscosity magma

• Gases rich in sulfur dioxide

• gentle, sloping sides

• High viscosity magma

The composition of magma determines its _____.

• viscosity

• darkness

• color

• none of the above

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-1

When magma comes out it is called ____?____

• lava

• basalt

• granite

• shale

What kind of eruption is characterized by lava outpourings on the ground

• granitic

• basaltic

• eruptive

• effusive