Did you Know?

Did you Know?

Amazing facts for kids about our planet and how we live our lives -- facts that are stranger than fiction! Prepare to be amazed, because truth can be stranger than fact, sometimes!

There is enough water in the atmosphere…

There is enough water in the atmosphere, that if it all fell as rain at the same time, it would cover the entire surface of the Earth with 2.5 cm (1 in) of water.

The Cullinan, once the largest uncut diamond…

The Cullinan, once the largest uncut diamond, was discovered in South Africa in 1905. It was the size of a man's fist and weighed over half a kg (1 lb). The largest gem cut from it, named the 'Star of Africa', is in the British Royal Sceptre in the Tower of London.

Sometimes double rainbows can form. In a…

Sometimes double rainbows can form. In a single rainbow, red is always at the top and violet at the bottom. In the second fainter bow, the colours are always the other way round.

The huge flightless emus of Australia’s…

The huge flightless emus of Australia's scrubland may roam hundreds of kilometres in a year in search of food and water. In 1932, both farmers and the Royal Australian Artillery had to battle about 20,000 emus which were attacking crops. Eventually, a barrier fence 1,000km (620 miles) long was put up to protect the farms.

The ozone layer is a layer of concentrated…

The ozone layer is a layer of concentrated ozone gas about 24 km (15 miles) up in the atmosphere. It protects us from the Sun's harmful ultra-violet rays. However, this vitally important layer is being destroyed through the use of aerosol cans containing chloro-fluoro-carbons or CFC's.

The earth has more than 600 active volcanoes…

The earth has more than 600 active volcanoes. Many of them are to be found on what is called the 'Ring of Fire' around the Pacific Ocean. The largest active volcano on the Earth today is the Mauna Lau, which is about 4168 metres (13,677 feet) high. It is situated in the Hawaiian islands. One volcanic explosion in Mauna...

Without clouds and other constituents of…

Without clouds and other constituents of the earth's atmosphere, the surface of our planet would reach a temperature of 176 degree centigrade at the equator by day and 220 degree centigrade by night!

About 6 million tonnes of salt is made from…

About 6 million tonnes of salt is made from the sea every year. This is enough to build a salt version of the Great Pyramid in Egypt. In hot countries, people use a very simple method to collect salt from the sea. Huge, shallow pans are arranged along the coast. These fill up with sea water as the tide...

Sea cucumbers look harmless but they have…

Sea cucumbers look harmless but they have a dramatic way of fending off enemies. If a hungry fish comes too close, the sea cucumber shoots out streams of sticky threads which look like spaghetti. These entangle the attacker, giving the sea cucumber time to make a getaway.

Grey whales spend the summer feeding in the…

Grey whales spend the summer feeding in the Arctic. Then they swim south along the Pacific coast to breed near Mexico, returning north in the spring. This is a round trip of 20,000 km (12,500 miles), about the same distance as a trip from London in England to Auckland in New Zealand.