Vocab
What is a sudden and violent shaking of land?
An earthquake
Which layer of the Earth is the thickest?
Mantle
The movement of tectonic plates can cause
Earthquakes
What is the liquid that comes out of the volcano called?
Lava
What is a fracture or opening in the Earth's crust?
A volcano
Which layer is so hot that the metals are in a liquid state, and composed of nickel and iron?
Outer Core
How many major tectonic plates does the Earth have?
8
This is a path along the Pacific Ocean characterized by active volcanoes and frequent earthquakes.
Ring of Fire
What is the most widely studied and understood layer of the Earth?
Crust
Soil and rock make this layer up.
Crust
True or False: The plates move around very quickly
False
What percent of Earth's volcanoes are located along the ring of fire?
75%
The places where two plates meet are called what?
Tectonic boundaries
Which layer is the solid center of the Earth, and made up of nickel and iron?
Inner Core
Which type of tectonic boundary causes volcanoes and mountain ranges to form?
Convergent
What is something earthquakes and volcanoes have in common?
Natural disaster, can be dangerous to humans, rapidly shape the Earth, Ring of Fire, or located usually on the boundaries of plates or faults.
Tectonic plates float on the next layer of the mantle called the what?
Asthenosphere
The mantle is how many miles thick?
1,800 miles
Which type of tectonic boundary is found where two plates pull apart?
Divergent
Where are volcanoes found?
Usually on the boundaries of plates or faults