Wednesday, 18 March 2015

earth facts

  • Magma is the hot liquid rock under the surface of the Earth, it is known as lava after it comes out of a volcano.
  • Natural gas doesn't have an odour, strong smells are added to it by humans so it can be detected when there are leaks.
  • Hawaii is moving towards Japan at the speed of 10cm a year. This is because they are on different tectonic plates.
  • The world's largest desert (outside of the polar regions) is the Sahara, it covers about one third of Africa!
  • Stretching out to an impressive length of 6696 kilometres (4160 miles) long, theNile River is the longest river on earth.
  • 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 (29029 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.
  • The Earth isn't perfectly round, it is slightly flattened at the north and south poles. Learn about the polar regions with our Antarctica facts and Arctic facts.
  • Scared of the Bermuda Triangle? Despite its reputation it is actually part of a commonly sailed shipping route.
  • 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.
  • The Niagara Falls are located on the border of the USA and Canada.
  • Rock found at the bottom of the Grand Canyon is around 2 billion years old.
  • Although earthquakes can be deadly, most are very small and not even felt by humans.