The Challenger Deep is the deepest part f the Mariana Trench. It's 10,911 meters below sea level.
200
What percent of Japan do mountains make up?
About 70%
300
What are two natural disasters that can be caused by ocean to ocean convergences?
Earthquakes and Volcanoes.
300
Which layers make up lithosphere?
The crust and upper mantle.
300
What is a rift valley?
A large whole with steep sides.
300
Who were the first people to explore the Challenger Deep?
Jacques Piccard & Don Walsh.
300
What is the major religion(s) of Japan?
Shinto and Buddhism.
400
What is an earthquake?
Shaking of the ground.
400
Which layers are convection currents in?
The mantle.
400
What are tectonic plates?
Large solid pieces of the Earth's surface.
400
What year was the Challenger Deep discovered?
1951
400
About how many volcanoes are found in Japan?
Around 200.
500
How are island arc's formed.
When 2 oceanic plates meet one subducts the other, that plate keeps going down where it melts into magma and then rises up through cracks in the crust. When it finally reaches the surface it forms an island arc.
500
Where can you find the asthenosphere?
The middle of mantle.
500
What is the theory of plate tectonic's?
The theory is that Earth's crust is broken into plates that float on the mantle.
500
When further exploring the Challenger Deep did they add meters or subtract meters from it's initial depth of 10,911 meters.