Layers of the Earth -Practice Set # 1

Front

What are the two types of crust?

Back

continental and oceanic crust

Front

What is the name of the mechanical layer that contains the upper layer of the upper mantle and crust?

Back

Lithosphere

Front

Scientists think that convection currents that move the plates flow in Earth's

Back

Asthenosphere

Front

What is oceanic crust made of?

Back

Basalt

Front

Continental crust is made of _______

Back

Granite

Front

The lithosphere combines which two compositional layers?

Back

Crust & upper part of mantel

Front

What happens to PRESSURE as we move from the crust to the inner core?

Back

Pressure Increases

Front

What happens to TEMPERATURE as we move from the crust to the inner core?

Back

Increases

Front

What is the rising of hot liquid and the sinking of cooled liquid called?

Back

Convection current

Front

Movement of the liquid metal of the outer core produces

Back

the Earth's magnetic field