Earth's Layers + Plate Tectonics

What is it called when one plate gets pulled underneath another plate?

Which plate boundaries have BOTH volcanoes and earthquakes there?

Students built a model of the earth, which layer is the outer core?

The grey stripes are are show a normal magnetic pattern, what do the white stripes represent?

What happens to the sea floor as you move away from the mid-ocean ridge?

How did scientists find the mid-Atlantic ridge?

In the picture, which way will the plates move because of convection?

What is the difference between the inner core and outer core?

The Pacific ring of fire is where plates are _____

What evidence did Harry Hess add to our current theory of plate tectonics?

The lithosphere is broken up into the _________

Which type of boundary produces a volcanic arc island?

At which plate boundaries do volcanoes occur?

Which layer of the earth is the thickest?

At which plate boundaries do Earthquakes occur?

Where do rift valleys form?

Which type of boundaries produce the greatest number of earthquakes?

What type of crust is under the ocean?

What is the inner core made of?

Where could you go to walk between two plates?

Students built a model of the earth, which layer is the crust?

Which type of plate boundary is shown in the picture?

Who proposed the theory of continental drift?

Who discovered sea floor spreading?

Why do the plates move?

Students built a model of the earth, which layer is the inner core?

Which type of boundary is shown in the picture?

At which plate boundaries do subduction zones occur?

Which type of plate boundaries grind past each other? 

Students built a model of the earth, which layer is the mantle?

The most dense crust is called:

Which layer of the earth is responsible for the movement of the Earth's lithospheric plates?

List the layers of earth from outside in:

The liquid outer core's fluid motion influences the earth's_______

Which type of plate boundaries form ocean trenches?

At which type of plate boundary does seafloor spreading happen?

Which layer of the earth contains the asthenosphere?

Why wasn't Alfred Wegener's theory of continental drift accepted in his time?

True or false: Earth's magnetic field has gone through many reversals over time