Category Archives: Blog

Which is the longest glacier

Glaciers are enormous rivers of ice that flow slowly down a mountainside. The Lambert-Fisher Glacier in Antarctica is over 600 kilometres long. It’s the longest glacier in the world. About a tenth of the Earth is covered in icy glaciers.     Why does the sea flow in and out? Twice a day, the sea […]

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Why are mountains shrinking

Why are mountains shrinking? It takes millions of years for mountains to grow. But many are shrinking every day. Mountains are being worn away by wind, frost and ice, which attack the peaks and break off chips of rock.   Where are the highest mountains? The highest mountains in the world are the Himalayas in […]

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What’s inside the Earth

The Earth is made up of layers of rock and metal. We live on the hard, rocky surface, called the crust. Below, the layers are so hot that they’ve melted and turned runny. The centre of the Earth is a ball of almost solid metal.   Amazing! People used to think the Earth was flat. […]

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Did dinosaurs care for their young

Did dinosaurs care for their young? Yes, some did. Maiasaura, whose name means ‘good mother lizard’, cared for its young. Parents looked after them until they were old enough to take care of themselves.   Is it true? Every animal on Earth died out with the dinosaurs.   Lots of animals survived. Birds, mammals, amphibians, […]

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huge plant eaters ever attacked

Were huge plant eaters ever attacked? The sheer size of many of these gentle giants must have put off many predators. Some like Apatosaurus had long claws to defend themselves in case they were attacked. They would rear up on their back legs and slash out at their enemies.   Amazing! Plant eaters like Heterodontosaurus […]

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which dinosaurs ate meat, and which ate plants

How do we know which dinosaurs ate meat, and which ate plants?   We can tell by looking at fossils of their teeth and claws. Meat eaters and plant eaters developed different special features, such as hands that could grasp and grinding or shearing teeth.   What were plant eaters’ teeth like? Yunnanosaurus had chisel-like […]

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How do we know about life in the past

We find out about life in the past by looking for evidence. Fossils are one kind of evidence. They are the remains of living things that have been preserved. Objects made by humans, such as stone tools, are another kind of evidence.   Is it true? Plants can’t be fossilised.   Plants can become fossils, […]

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Who were our ancestors

Amazing ! Australopithecus is called Lucy. Her bones were found in 1974, when a song with the name Lucy in it was on the radio. She was named after it.   Who were our ancestors? Our earliest ancestors were apes that walked upright on two legs. Australopithecus, meaning ‘southern ape’, was one of the first […]

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Dinosaurs were members of the reptile family

What were dinosaurs? Dinosaurs were members of the reptile family. They first appeared about 225 million years ago. For 160 million years dinosaurs ruled the Earth. They walked on straight legs, tucked underneath their bodies, and they lived on land. The word dinosaur means ‘terrible lizard’!   It is true ? All dinosaurs were big. […]

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