Volcanoes

1.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-ESS2-3

.  Which type of volcano is built by alternating layers of lava flows and ash flows?  It can be very explosive.

• .  Cinder Cone

• Composite

• Lava Dome

• Shield

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

. Which type of volcano is found in the Hawaiian Islands with thick flowing, slow-moving lava?  This is the most common type of volcano on earth.

• Cinder Cone

• Composite

• Lava Dome

• Shield

Which type of volcano spills thick lava which cools and piles up around the vent?  These fragments spill down the sides of the volcano.

• Cinder Cone

• Composite

• Lava Dome

• Shield

Which type of volcano is currently resting, but could erupt sometime in the future?

• Active

• Dormant

• Extinct

• All of the above

When lava cools and hardens, it forms which type of rock?

• Igenous

• Sedimentary

• Metamorphic

• The kind of rock depends on the type of volcano

The weak point in the Earth’s crust where hot magma rises and reaches the earth’s surface is called the __________.

 

• Magma Chamber

• Main Vent

• Crater

• Secondary Cone

An active volcanic area on earth is found at_______.

• Diverging Boundaries

• .  Converging Boundaries

• Hot Spots

• All of the above

Tags

NGSS.MS-ESS3-2

What is the active volcano area around the Pacific Rim called?

• Pacific Ocean

• Ring of Fire

• Atlantic Ocean

• Plate Boundary

Tags

NGSS.MS-ESS2-3