Volcanoes

What is a volcano?

• A large storm with very high wind speed

• A violent shaking of the earth

• An opening in the earth's crust where magma erupts to the surface

• A large cloud that generates rain, hail, and lightning

What do we call molten hot liquid rock while it is still below the earth's surface?

• magma

• lava

• cinder

• igneous

What do we call molten hot liquid rock once it erupts to the earth's surface?

• cinder

• mauna

• lava

• magma

What kind of rocks are formed when lava from a volcano cools?

• metamorphic rocks

• igneous rocks

• magma rocks

• meteorites

Which of the following describes a dormant volcano?

• A volcano that has not erupted in a long time, but may erupt again

• A volcano that is currently erupting

• A volcano that has erupted recently

• All of the above

What type of volcanoes form from wide thin layers of lava?

• Cinder cones

• Shield volcanoes

• Lava domes

• None of the above

What type of volcanoes can sometimes form inside another volcano?

• Cinder cones

• Composite volcanoes

• Lava domes

• Shield volcanoes

What type of volcano is formed from lava ejected from a single vent, but does not get taller than around 1,000 ft?

• Cinder cone

• Lava dome

• Shield volcano

• All of the above

What type of volcano is formed over many years and can grow over 8,000 ft?

• Cinder cone

• Composite volcano

• Lava dome

• Shield volcano

On what planet is the tallest volcano in the solar system?

• Earth

• Venus

• Mars

• Jupiter