Mountains and Volcanoes

Which theory helped scientists understand how and where volcanoes erupt?

• Theory of Plate Tectonics

• Theory or Relativity

• Theory of the Rock Cycle

• Big Bang Theory

Tags

NGSS.MS-ESS3-2

Which type of volcano has steep angled sides, throws blobs of lava in the air that fall as cinders, and is built over a short period of time?

• Cinder Cone

• Composite

• Lava Dome

• Shield

Tags

NGSS.MS-ESS2-2

Where do volcanoes come from?

• Places where plates move apart
• Places where plates are moving together
• Hot Spots
• All of these options

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)

A subduction zone is...

• plates pull apart.
• the continental plate slides under the oceanic plate.
• where the oceanic plate slides under the continental plate.
• plates slap each other a high five.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Where are volcanoes most likely to form?

• along plate boundaries

• near the center of continents

• near water

• on the moon

Tags

NGSS.MS-ESS3-2

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

• crater

• vent

• tube

• leftovers