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