Volcanoes
Characteristics for an Active Volcano?
It has erupted within the last 50 years and shows signs of activity.
Give a description of what an Earthquake is
Movement of the Earth’s crust or plates that are moving.
How are mountains usually formed?
Transform Faults.
Where do volcanoes occur?
Near plate boundaries and subduction zones.
What is the name of the tool we use to measure Earthquakes?
Seismograph
Name 3 mountain ranges.
Rockies, Himalayas, Appalachians
Which Ocean border are there a lot of volcanoes and what is the name?
Pacific Border, Ring of Fire
What are the 3 types of Boundary motion?
Converging, Diverging, Transform Fault.
Explain how Plateaus are formed.
A large area of flat land that was uplifted or left after erosion.
Name the 6 parts of Volcanoes
Magma Chamber, Central Vent, Crater,Slope, Strata, Tephra
What are the 3 types of seismic waves?
Primary wave, Secondary wave, Surface Wave
What is the difference between younger and older mountains?
Younger= Sharp peaks Taller, Older=Rounded peaks shorter.
What is an example of what happens before a volcano explodes?
When lava hardens before reaching the surface it blocks the paths of new lava, building up huge pressure and results in an explosion.
What is the method for locating earthquakes?
Triangulation.
What are the 5 types of mountains?
Folded, Fault Block, Volcanic, Dome, Plateaus