Earth's Structures Review

Front

What is the transfer of energy through empty space called?

Back

Radiation

Front

What layer of the Earth do you reach when digging several km deep at the beach?

Back

Crust; rock samples

Front

Which type of rock is most likely to contain fossils?

Back

Sedimentary Rock

Front

True or False: Convection currents in the Earth occur only in the mantle.

Back

False

Front

What happens in a convection current?

Back

Hot less dense rock rises; cool more dense rock sinks.

Front

What is the Earth's outermost layer called?

Back

Crust

Front

What is the layer of the Earth beneath the crust?

Back

Mantle

Front

What is the primary component of the Earth's outer core?

Back

Liquid iron

Front

What type of rock forms from cooled magma or lava?

Back

Igneous Rock

Front

What is the process called when rocks are broken down by weathering?

Back

Erosion