Approximately 50% of the earth’s surface is water and the other 50% is land.

Geology is primarily associated with studying rocks and the earth’s surface.

The position of the continents has not changed since earth began.

Some rocks can float on water.

The melted rock that flows out of a volcano is called magma.

Australia moves northward each year at approximately the same rate as your fingernails grow.

Diamonds can be formed by applying extreme heat and pressure to coal.

Earthquakes that occur at sea can cause tsunamis.

Australia does not have any active volcanoes.

Australia has never had any volcanoes.

Rocks can be bent under heat and pressure.

Rubies (red) and Sapphires (blue) are made of the same mineral.

Diamonds are the hardest mineral on earth.

Diamonds are the rarest minerals on earth.

Australia has the world’s richest reserves of Uranium (used for Nuclear Power).