Volcanoes & Earthquakes

Magma leaves a volcano through a....

• Sill

• Vent

• Chamber

• Crater

Tags

NGSS.MS-ESS2-1

TRUE or FALSE: A volcano that erupts quietly will produce a lot of cinders, ash, and bombs

• TRUE

• FALSE

What provides the force that causes a volcano to become explosive?

• Mafic flows

• Magma density

• Dissolved gases trapped in magma

• Extreme heat

Volcanoes with steep sides made of layers of ash is called......

• Cinder Cone

• Shield Volcano

• Composite Volcano

What do we call molten hot liquid rock while it is still below the Earth's surface?

• Magma

• Igneous

• Cinder

• Lava

Once magma reaches the earth's surface it is called.....

• silica

• rock

• lava

• basalt

Volcanoes can be found...

• on land
• under water
• on islands
• all of the above

Most of the earth's volcanoes and earthquakes are located around the Pacific Ocean in a region called the ____________.

• Ring of Fire

• Volcano Ring

• Nucleus of Volcanoes

• Center of Fire

What is a dormant volcano?

• molten rock

• the center of a volcano

• will never erupt again

• a volcano that is sleeping, but could erupt agian

What is the definition of the crust?

• 2nd layer of the Earth

• dome shaped mountian

• outer layer of the Earth

• the center of the Earth