Plate tectonics

What is molten rock that is under the surface of the Earth?

• Hot Spot

• Magma

• Lava

• Volcano

What is molten rock that has reached the Earth's surface?

• Igneous

• Lava

• Magma

• Metamorphic

What factor(s) determine(s) whether an eruption will be explosive?

• The amount of gases in the magma
• The amount of silica in the magma
• The amount of gas and silica in the magma
• None of these affect the explosiveness of the volcano

What is a volcano?

• A mountain that has lava all over it 
• A giant hill filled with magma
• A long high sea wave 
• A hole in the Earth where magma erupts

A volcano that has gentle sloping sides and is formed from runny lava

• Shield volcano
• Cinder cone
• Composite
• None of these

Tags

NGSS.MS-ESS2-2

A volcano that has steep sides and is formed from lava chunks is called

• a shield volcano
• a cinder cone volcano
• a composite volcano

A volcano that is made from layers of both runny lava and lava chunks is called 

• a shield volcano
• a cinder cone volcano
• a composite volcano

Tags

NGSS.MS-ESS2-2

This city was destroyed in 79 A.D. by the eruption of Mt. Vesuvius.

• Rome
• Munich
• Pompeii
• Naples

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS3-2

The movement of the tectonic plates is caused by

• the rotation of the Earth.

• convection currents in the Mantle

• the gravity of the iron-nickel core.

• the Moho discontinuity.

There are three types of plate boundaries. Which choice is NOT a type of plate boundary?

• convergent
• thrust
• divergent
• transform