Volcanoes Mid Test

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

As magma rises towards the surface, it collects in a 'room' called a

• magma chamber

• side vent

• main vent

• lava chamber

Volcanoes are found...

• on land

• under water

• on islands

• all of the above

Where are most volcanoes found?

• Southern Hemisphere
• Ring of Fire
• Mid-Atlantic Ridge
• Hot Spots

What are signs that a volcano may erupt soon?

• Earthquake activity in the area

• Changes in the shape of the volcano

• Different amounts of gas being produced

• All of these are signs

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

• Crater

• Magma Chamber

• Main Vent

• Secondary Cone

An active volcanic area on earth is found at_______.

• Diverging Boundaries

• Converging Boundaries

• Hot Spots

• All of the above

Large projectiles thrown through the air during an eruption are called

• Volcanic bombs

• Hot Spot

• Lava

• Magma chamber

What type of volcano is Kilauea, which is located in Hawaii?

• Caldera
• Cinder Cone
• Composite Volcano
• Shield Volcano