Earth and Volcanoes Quiz

Which is the outermost layer of the Earth?

• Mantle

• Inner core

• Crust

• Outer core

What is magma called when it comes out of a volcano?

• Gas

• Ash

• Lava

• Steam

Which layer of the Earth is made of very hot melted rock?

• Crust

• Mantle

• Magma

• Ocean

What is a volcano?

• A kind of plant

• A mountain that erupts with lava

• A deep ocean

• A layer of the Earth

Which of these is an igneous rock?

• Sandstone

• Marble

• Basalt

• Clay

Which part of a volcano allows magma to rise?

• Crater

• Vent

• Cone

• Ash cloud

What happens to lava after it cools down?

• It disappears

• It forms igneous rocks

• It turns into gas

• It becomes magma again

Which is the hottest layer of the Earth?

• Mantle

• Crust

• Inner core

• Outer core

What causes a volcano to erupt?

• Heavy rain

• Movement of Earth’s plates and pressure from magma

• Sunlight

• Wind

Pumice is a type of:

• Soft soil

• Sand

• Igneous rock with holes

• Liquid rock