Could a Volcano Pop Up Where You Live?
Why Do Some Volcanoes Explode?
Will A Mountain Last Forever?
How Could You Survive a Landslide?
Miscellaneous
100
What is lava?
melted rock
100
What kind of lava does a shield volcano have? Describe the lava.
thin, runny lava
100
What is this picture an example of?
root wedging
100
True or False, too much rain can cause a landslide.
True
100
True or False: Volcanoes always erupt in a violent way.
False
200
True or False: Most volcanoes around the world can be found along the coastlines of continents.
TRUE
200
Why do cone volcanoes have violent explosions?
The thick, pasty lava builds up over time, and when the pressure gets to be too much, it EXPLODES!
200
Describe ice wedging
When water gets in to a crack of a rock, then it freezes, expands and then cracks the rock.
200
What degree do most landslides happen at?
35 degrees and steeper
200
Rocks at the bottom of a mountain are...
smooth and round
300
About what percent of the world's volcanoes are found in The Ring of Fire?
75%
300
What kind of rock is this, and it from a cone or shield volcano?
This rock is Felsite from a cone volcano.
300
Describe rocks at the top of a mountain.
sharp, large, jagged
300
Landslides are caused by wind. True or False
False
300
Most of the volcanoes on the Earth an be found in a pattern in the shape of a________?
Ring, crescent, horseshoe
400
Could a volcano pop up where you live?
Yes, we live in the Pacific Ring of Fire
400
What type of rock is this, and what type of volcano is it from...cone or shield?
This is Basalt from a shield volcano.
400
Why are rocks smooth and round at the bottom of mountains?
They are smooth because they tumble down the mountain, bumping into other rocks which over time, smooth the rocks out and make them rounder.
400
What is a landslide?
A landslide is a mixture of rocks, mud and water flowing down a hill.
400
Describe the lava in a cone volcano.
Thick and pasty
500
What is a volcano called that is no longer active?
An extinct volcano
500
Why are Shield Volcanoes shaped like this?
They are shaped like a shield because the lava is thin and runny, so it easily spreads out.
500
Will a mountain last forever? Why?
No, rocks break apart due to ice wedging, root wedging and erosion.
500
If you wanted to avoid a landslide while camping, describe where you could camp.
flat land, less than a 35 degree angle, make sure it hasn't rained a ton lately
500
Why can some volcanoes be found far from the Ring of Fire?
It could be an extinct volcano or one of the 25% of the world's volcanoes that isn't in The Ring of Fire.