Quiz about Volcano (Science 9)

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

Vocanoes are found...

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

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)

Volcanoes that have recently erupted are known as:

• Extinct Volcano
• Dormant Volcano
• Active Volcano
• What's a volcano?

__________ volcanoes are usually steep sided. They are formed from layers of ash and lava.

• Shield
• Cone
• Dormant
• Extinct

__________ volcanoes are formed from fast flowing, lava which flows easily over the surface, forming larger volcanoes with gentle sides.

• Cone
• Composite
• Angel
• Shield

A bowl shaped area that may form at the top of a volcano around the central vent

• crater

• vent

• tube

• leftovers

What is letter E in the picture?

• Tephra
• Pyroclastic Flow
• Magma Chamber
• Vent

Tags

NGSS.MS-ESS2-1

What is letter F in the picture?

• Pyroclastic Flow
• Crater
• Vent
• Tephra