Volcanoes Practice Quiz

What is molten rock that is located deep within the Earth?

• Hot Spot

• Magma

• Lava

• Volcano

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

• Intermittent

• Lava

• Magma

• Pyroclastic

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 temperature, gas, and silica in the magma

• The size of the vent through which the lava escapes

As magma rises towards the surface it collects in a 'room' called a _____ _____ . 

• magma chamber
• side vent
• main vent
• lava chamber

Tags

NGSS.MS-ESS2-1

Vocanoes are found...

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

Tags

NGSS.MS-ESS3-2

The difference between magma and lava is _____

• where it is found (above or below the surface)
• how hot the molten rock is (lava is hotter than magma)
•  the type of boundary where it forms
• the viscosity of the molten rock (lava has a lower viscosity)

Where are most volcanoes found?

• Southern Hemisphere
• Ring of Fire
• Mid-Atlantic Ridge
• Hot Spots

What is / are sign(s) that a volcano may erupt soon?

• Earthquake activity in the area
• Changes in the shape of the volcano
• Different amounts of gas being produced
• All of these are signs

Tags

NGSS.MS-ESS3-2

What is the definition of dormant?

• sleeping

• extinct

• active

• invisible

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

• Shield volcano

• Cinder cone

• Composite

• Hot spot