Volcanoes Article

What is a volcano?

• a large storm wiht 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 curst 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

• igneous

• cinder

• lava

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

• magma

• igneous

• cinder

• lava

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

• metamorphic rock

• igneous rock

• sedimentary rock

• magma rocks

Which of the following descriptions describes a dormant volcano?

• a volcano that is currently erupting

• a volcano that has erupted recently

• a volcano that scientist believe will never erupt again

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

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

• cinder cones

• composite volcanoes

• shield volcanoes

• lava domes