Volcanoes and Plate Tectonics
Volcanic Activity
Volcanic Landforms
Volcanoes in the Solar System
Extra's
100
A weak spot in the crust where molten material, or magma, comes to the surface.
What is a volcano
100
lava that collects here in the bowl-shaped area that forms around the vent of the volcano.
What is the crater?
100
Lava flows gradually build a wide, gently sloping mountain. Name this volcano
What is a shield volcano.
100
These planets have similar volcanic mountains an d features that are probably made of thin, runny lava.
What is Venus and Mars.
100
A live or likely to erupt volcano.
What is active?
200
Molten mixture of rock-forming substances, gases, and water from the mantle.
What is magma?
200
The point on the surface where magma leaves the volcano's pipe.
What is the vent?
200
A tall, cone- shaped mountain with alternating layers of lava and ash.
What is a composite volcano?
200
The smooth spots on the moon were created from this.
What is lava.
200
A sleeping volcano.
What is dormant?
300
When magma reaches the surface.
What is lava?
300
A narrow crack in the crust where magma rises to the surface.
What is the pipe
300
A huge hole left by the collapse of a volcanic mountain.
What is a caldera.
300
The largest volcano in our Solar System.
What is Olympus Mons
300
Forms when groundwater heated by a nearby body of magma rises to the surface and collects in a natural pool.
What is a hot spring?
400
A belt of many volcanoes that rim the Pacific Ocean.
What is the Ring of Fire?
400
Extremely hot molten mixture that contains dissolved gases.
What is magma?
400
Forms when magma hardens in a volcano's pipe.
What is a volcanic neck.
400
The distant moons that have volcanic activity.
What are Jupiter's moon Io and Neptune's moon Triton.
500
An area where magma from deep within the mantle melts through the crust like a blow torch.
What is a hot spot?
500
Quiet eruptions that produce two different types lava
What are Pahoehoe and aa?
500
forces itself across rock layers and hardens.
What is a dike?
500
Elements that erupt from the volcanoes on the moons Io and Triton. Different from Earth.
What is sulfur and nitrogen.
500
Mt. St. Helen's was this type of a volcano.
What is a composite volcano, or a stratovolcano.
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