Volcanoes

What is another name for magma that has reached Earth's surface?

• Vent

• Dust

• Ash

• Lava

Where are most volcanoes found?

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

Large projectiles thrown through the air during an eruption are called

• Volcanic bombs

• Hot Spot

• Lava

• Magma chamber

An active volcanic area on earth is found at_______.

• Diverging Boundaries

• Converging Boundaries

• Hot Spots

• All of the above

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

• Active

• Dormant

• Extinct

• All of the above

Which type of volcano if 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 is built by alternating layers of lava flows and ash flows? It can

be very explosive.

• Cinder Cone

• Composite

• Lava Dome

• Shield

What kind of plate boundary is shown here?

• divergent

• convergent

• transform

What is a volcano?

• A weak spot in Earth’s crust where magma can come to the surface.

• A mix of rocks, minerals, gases, and water from the mantle.

• Hot semifluid rock that becomes solid rock as it cools off.

• A special kind of mountain.

Where do volcanoes typically form?

• At plate boundaries.

• In the middle of tectonic plates.