Earth Layers Quiz

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Which layer of the Earth is the thinnest?

Crust (correct)

Inner Core

Mantle

Outer Core

What are the two types of crust called?

Oceanic and Inner Core

Continental and Oceanic (correct)

Inner Core and Mantle

Mantle and Outer Core

What causes earth's magnetism?

Spinning of the inner core and outer core (correct)

Movement of the tectonic plates

Seismic waves from earthquakes

Convection currents in the mantle

What is the name of the supercontinent that existed 200 million years ago?

Pangea Signup and view all the answers

What do we call the movement of the Earth's plates?

Continental drift Signup and view all the answers

Who came up with the theory of continental drift?

Alfred Wegener Signup and view all the answers

How fast do tectonic plates move in a year?

About 10 cm Signup and view all the answers

What do scientists study to know what's inside the Earth?

Seismic waves from earthquakes Signup and view all the answers

Why does the Earth have different layers?

Each layer is made up of different elements with different densities Signup and view all the answers

Which type of plate boundary is formed when two continental crusts collide?

Convergent Signup and view all the answers

What is created when two oceanic crusts collide?

Trenches Signup and view all the answers

What happens when an oceanic crust collides with a continental crust?

Volcanoes Signup and view all the answers

Which type of plate boundary creates mid-ocean ridges?

Divergent Signup and view all the answers

What is created by transform plate boundaries?

Earthquakes and possible tsunamis Signup and view all the answers

What type of plate boundary is formed when two tectonic plates divide or pull away from each other?

Divergent Signup and view all the answers

What type of plate boundary is formed when two tectonic plates slide past each other?

Transform Signup and view all the answers

When two continental crusts collide, what is created?

Mountains Signup and view all the answers

When two oceanic crusts collide, what is created?