8.ESS2.4 Vocab

What theory suggests that continents are in constant motion on the surface of Earth?

(a)  

All the continents were once part of a supercontinent known as what?

(a)  

The mountain ranges in the middle of the oceans are called what?

(a)  

The process by which new oceanic crust forms along a mid-ocean ridge and older oceanic crust moves away from the ridge is called?

(a)  

A state in which magnetized objects, such as compass needles, will orient themselves to point north is called?

(a)  

Occurs and the magnetic field reverses direction is called?

(a)  

A state in which magnetized objects would reverse direction and orient themselves to point south is called?

(a)  

Earth's surface is made of rigid slabs of rocks, or plates, that move with respect to each other is called?

(a)  

The cold and rigid outermost part rock layer is called?

(a)  

Forms where two plates separate

(a)