Layers of the Earth

Front

The outermost layer is the ________.

Back

crust

Front

The layer below the crust is the ____________.

Back

mantle

Front

The core is made up mostly of _______________. Options: oxygen, magnesium, iron, carbon

Back

iron

Front

The second abundant element that makes up the core is ______________.

Back

nickel

Front

All known life exist on this layer.

Back

crust

Front

80% of the Earth's volume is made up of the _____. Options: continental crust, core, mantle, oceanic crust

Back

mantle

Front

The inner core is ____________. Options: solid, molten, unknown, liquid

Back

solid

Front

The most abundant element in the mantle and the crust.

Back

oxygen

Front

The outer core is ___________.

Back

molten rock

Front

The second most abundant element in the mantle is __________.

Back

magnesium