Volcanoes

What causes a volcano to erupt?

• Pressure and gasses build up.

• heat builds up.

• Magma hits the surface and becomes lava.

• The Earth's crust moves.

Tags

NGSS.MS-ESS3-2

A path along the Pacific Ocean with approximately 450 volcanoes (it is shaped like a horseshoe).

• Tectonic Plates

• Earth's crust

• Atlantic Ocean

• Ring of Fire

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

When does magma become lava?

• When magma is in the magma chamber, it becomes lava.

• When magma reaches Earth's surface.

• Magma does not eventually turn into lava.

• Magma

Which of the following is a type of a volcano?

• Cyclone

• magma chamber

• Cinder Cone

• mountain

Which of the following is a type of a volcano?

• stratovolcano

• magma chamber

• side vent

• Earth's crust

Tags

NGSS.MS-ESS3-2

Which of the following is a type of a volcano?

• Sheild

• eruption cloud

• main vent

• inner core

a mountain built up around an opening in Earth's crust.

• mountain

• volcano

• main vent

• outer core

Melted rock, ash, and pieces of rock.

• vent

• crater

• magma

• lava

Melted rock that starts to cool and harden.

• Crater

• magma chamber

• lava

• magma

A volcano may have a violent explosion. This causes an ______________, which is unhealthy and dangerous to breath.

• ash

• magma

• crater

• eruption cloud