Front

How have scientists been able to study Earth's mantle?

Back

Earth's surface heat warms the crust turning it into mantle.

Front

What is the rigid layer of the Earth's surface made up of the crust and upper mantle called?

Back

lithosphere

Front

What is the thickest layer on Earth? Options: the mantle, the inner core, the outer core, the crust

Back

the mantle

Front

Which layer is made up of iron and nickel? Options: Crust, Mantle, Inner Core, Lithosphere

Back

Inner Core

Front

At which type of plate boundary does seafloor spreading occur?

Back

Divergent

Front

The San Andrea's Fault in California is which type of boundary?

Back

Transform

Front

Scientists think that convection currents that move the plates flow in Earth's: Continental crust, Oceanic crust, Asthenosphere, Lithosphere

Back

Asthenosphere

Front

During sea floor spreading, where does molten material rise up from the mantle?

Back

at the mid ocean ridges

Front

A subduction zone is formed...

Back

when one tectonic plate sinks below another

Front

When an oceanic plate and a continental plate collide, which one will subduct?

Back

oceanic