Earth's Crust Review

Mountains form from ...

• plates sliding past one another
• collision of plates
• plates moving away from each other

The theory that says Earth's continents once made up an ancient supercontinent, and have been drifting apart ever since, is called the theory of...

• Pangea
• Plate Tectonics
• Natural Selection
• Gravity

The arrow is pointing to...

• an ash cloud
• lava
• magma
• a vent

The arrow is pointing to...

• an ash cloud
• lava
• magma
• a vent

_________________________ is hot, molten, or melted rock which reaches the surface of the Earth.

• magma
• lava
• volcano
• earthquake

Lava that is still deep inside the earth is called ____________________________.

• lava
• magma
• volcano
• earthquake

Why did the eruption of Mount Vesuvius kill so many people?

• The people knew was active but decided they would wait a little longer

• They were unable to escape because it erupted so fast

• The poeple were warned but no payed any attention to the warning

• People thought it was not serious

This is the name for the chain of volcanos around the edge of the Pacific Plate.

• Circle of Fire
• Ring of Lava
• Ring of Fire
• Circle of Magma

This city was destroyed in 79 A.D. by the eruption of Mt. Vesuvius.

• Rome

• Alps

• Pompeii

• Naples

Volcanoes are found...

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