What is the Earth's crust compared to the whole Earth?
Cold
Thick
Thin
Hot
What are the pieces of the Earth's crust called?
Plates
Lava
Magma
Core
What is the melted rock inside the Earth called?
Crust
Magma
Core
Lava
How do magma currents make the plates move?
By heating up
By sinking
By cooling off
By Exploding
What happens when magma reaches the Earth's surface?
It turns into water
It forms mountains
It explodes into the air
It becomes solid
What is lava called when it flows out onto the Earth's surface?
Magma
Lava
Core
Ash
Which type of lava forms a shield-shaped volcano?
Runny lava
Stiff lava
Core
Magma
Where is Mauna Loa, the Earth's largest volcano, located?
Hawaii
Europe
Iceland
Washington state
What happens when lava from a volcano destroys buildings and roads?
It cools and becomes solid
It builds new mountains
It causes damage
It turns into steam
Why were airplanes grounded when volcanic ash spread across Europe?
Because of volcanic ash
Because of hot lava
Because of fresh food
Because of steam
