Flashcards on Rocks and Body Systems

Front

Origin of aluminium for bags.

Back

Aluminium comes from bauxite rock.

Front

Outermost layer of the Earth

Back

Crust

Front

Layer beneath the Earth's crust

Back

Mantle

Front

Description of the mantle

Back

Solid, flows slowly

Front

State of matter of the outer core

Back

Liquid

Front

Oxygen in the Earth's crust

Back

46.4% of the Earth's crust is made up of oxygen.

Front

Silicon in the Earth's crust

Back

28.2% of the Earth's crust is made up of silicon.

Front

Aluminium in the Earth's crust

Back

8.3% of the Earth's crust is made up of aluminium.

Front

Rounding in percentages

Back

Percentages do not add up to 100% due to rounding.

Front

78% nitrogen

Back

78% nitrogen