volcanoes

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

• Hot Spot
• Magma
• Lava
• Volcano

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

• Aa
• Lava
• Magma
• Pahoehoe

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

Where is the largest volcano?

• Africa
• Indonesia 
• Wyoming
• Hawaii

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 steep sides and is formed from lava chunks is called

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