What is a volcano?
A weak spot on the crust where magma comes out
What do you call the bowl shaped area at the top of a volcano?
Crater
Describe a shield volcano.
A wide, gently sloping mountain
What are the dark, smooth areas of the moon?
Lava
What is the difference between magma and lava?
Lava is magma that has come out of the ground
What causes magma to come out of the Earth?
Gases dissolved in the molten material
Volcanic rock breaks down into rich soil. What does "rich soil" mean?
Fertile or able to support plant growth
What type of volcanoes do they have on Mars?
Shield and cone
Volcanoes form at what two plate boundaries?
Divergent and Convergent
What kind of eruption will you have if the magma is thick and sticky?
Explosive
What is a batholith?
A mass of rock formed when a large body of magma cools in the crust
What is Theia Mons?
The biggest volcano on Venus
What is a "hot spot"?
Magma burns through the middle of a tectonic plate
What are the three stages of a volcano?
Active, dormant, extinct
What is a caldera?
A huge hole left by the collapse of a volcano
What is the name of the biggest volcano in the solar system?
Olympus Mons
What is the "Ring of Fire"?
A volcanic belt that rings the Pacific Ocean
What is geothermal energy?
Energy created by magma heating water
This landform is named after a part of the body, what is it?
Volcanic Neck
What two moons have we observed volcanic eruptions on?
Io and Triton