Volcanoes via Ducksters

What is volcano?

• A large storm with very high speed winds.

• a violent shaking of the Earth that occurs when two tectonic plates bump into each other

• An opening in the Earth's crust where magma erupts tot he surface.

• a large cloud that generates wind, rain, and lightening.

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

• magma

• igneous

• lava

• cinder

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

• magma

• igneous

• lava

• cinder

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

• magma rocks

• metamorphic rocks

• sedimentary rocks

• igneous rocks

Which of the following descriptions describes a dormant volcano?

• a volcano that is currently erupting

• a volcano that scientists believe will never erupt again

• a volcano that has not erupted in a long time, but might

• all of the above

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

• cinder cones

• composite volcanoes

• shield volcanoes

• lava domes