*Magma is the hot liquid rock under the surface of the Earth, it is known as lava after it comes out of a volcano. More volcano facts.
*Natural gas doesn't have an odour, strong smells are added to it by humans so it can be detected when there are leaks. More gas facts.
*Hawaii is moving towards Japan at the speed of 10cm a year. This is because they are on different tectonic plates.
*The worlds largest desert is the Sahara, it covers about one third of Africa!
*Stretching out to an impressive length of 6696 kilometres (4160 miles) long, the Nile River is the longest river on earth. More Nile River facts, Amazon River facts, Mississippi River facts and other river facts.
*The volcanic rock known as pumice is the only rock that can float in water.
*Mt Everest is the highest mountain on earth, its peak reaches 8,848 metres (29028 feet) above sea level. Check out the highest mountains on each continent of the Earth.
* On average the Atlantic Ocean is the saltiest of Earth’s major oceans. More ocean facts.
* Earthquakes that occur out at sea can cause huge tsunamis capable of reaching land and endangering people.
* Check out our interesting fossil facts and information.
* The earth isn't perfectly round, it is slightly fattened at the north and south poles.
* Scared of the Bermuda Triangle? Despite its reputation it is actually part of a common sailed shipping route. More Bermuda Triangle mystery facts.
* Scientists have the dated the Earth as being between 4 and 5 billion years old!
* Talc is the softest mineral found on Earth, reaching just 1 on Mohs scale of hardness, it is often used to make talcum powder.
* Although earthquakes can be deadly, most are very small and not even felt by humans.
http://www.sciencekids.co.nz/sciencefacts/earth.html
