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