Volcanoes Evans Elementary

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

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

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 the definition of dormant?

• sleeping
• extinct
• active
• invisible

What are scientists that study volcanoes called?

• doctor
• vet
• volcanologist
• volcano scientist

What is the opening that extends from the magma chamber to the top of the volcano called?

• magma
• lava
• vent 
• crater

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

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