Earth Structure
What layer of the earth do we walk on?
Crust
True or False
Tsunamis are just one wave
False
True or False
The continents are moving all the time
What are Volcanos made out of?
Lava and ash
What is the area right above the earthquake?
Epicenter
True or False
The Mantle is liquid.
False
What causes Tsunamis?
Underwater earthquakes
Pangea
What is the stuff that is in a Volcano?
Magma or Lava
The area in which earthquakes happen is called?
The Focus
What is the Earth's densest layer and what is it made out of?
Inner Core/Solid Iron and Nickel
Where do the most Tsunamis occur?
the Pacific Ocean
Who discovered continental drift?
Alfred Wegner
Why do Volcanos erupt?
When enough magma builds up in the Volcano.
Why do earthquakes happen?
When tectonic plates get stuck and are trying to move.
Is the Earth flat?
No
Tsunamis are also known as?
Tidal waves or Seismic sea wave
Name three types of plate tectonics?
Convergent, Divergent, Transform.
Why do Volcanos go upward?
When one tectonic plate moves under another.
What is a device that measures earthquakes?
Seismometer
Name all layers of the Earth and the parts of the Mantle.
Crust, Mantle, Outer Core, Inner Core, Lithosphere, and Athenoshpere.
How fast is a Tsunami?
500 mph
How far do continents move a year?
0.6 to 2 inches
What is the biggest Volcano?
Mauna Loa
Where did the largest earthquake take place?