Volcanoes
Are most volcanoes found along the coast or in the middle of countries?
Along the coast
How does a rock change as it goes down a mountain?
It becomes smoother as pieces are knocked off while it rolls
What is a landslide?
When a large amount of rock and earth flows down a mountain
75%
What gives a volcano its shield shape?
Thin runny lava
What do rocks at the top of a mountain look like vs. the bottom of the mountain?
The rocks at the top are most likely jagged and cracked while the rocks on the bottom are smooth and rounder
When are landslides likely to occur?
During heavy rain on a steep hill
How steep do scientist say a slow should be for a landslide to occur?
35 degrees
Is it possible for a volcano to pop up in your back yard? Explain why?
Not anytime soon, we do not live along the ring of fire and there are no other volcanoes in the area.
How do rocks break into smaller pieces?
Through root and ice wedging and weathering and erosion.
What causes landslides?
What is an extinct volcano?
A volcano that has not erupted in many years. This happens because it has been cut off from its supply of lava.
What determines the shape of a volcano?
Weather it has thick or thin lava
What are the two ways that cracks and holes in rocks can occur?
Root wedging and ice wedging
What is the difference between felsite and Basalt
Basalt comes from sheild volcanoes and is dark colored. Felsite comes from cone volcanoes and is light colored.
Which volcanoes are more likely to explode.
Thick lava or cone volcanoes