The Earth's Systems

Match it! Select the correct answer from the pull down...Good luck!

layer of gases (air) that surrounds the Earth

Heat from the _______ and _______ cause convection currents in the mantle.

contains all of Earth's water

all of Earth's land and rocks, including the core, the mantle and the crust

contains all living organisms

Without heat, convection currents eventually stop.

lithosphere is the

Heat transfer by the movement of a fluid or a gas is called _____________.