Category Archives: Blog

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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animal lives in water and on land

Why did some fish grow legs? Some fish began to live in shallow water. It was difficult to swim in the shallows. To help these fish move around they grew short legs. Some of them also grew lungs, which meant they could breathe air. These animals could live in water and on land.   Amazing […]

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animals lived in the sea

Which animals lived in the sea? For millions of years all life lived in the sea. It was home to a huge variety of creatures, such as shellfish, worms, sponges and jellyfish. None of these animals had backbones.   Is it true? The very first fish didn’t have jaws.   YES. Instead of jaws to […]

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How did life begin

It is thought that life began when lightning hit the sea. Lightning sent energy into the water. Chemicals in the sea were mixed together by energy. New substances, called amino acids, were made, from which life was able to grow.   Amazing! The first living things on Earth were so small you could fit thousands […]

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When and where did life on Earth begin

Life on Earth began about 3.5 billion years ago. The first life appeared in the sea. It was born into a world that looked very different from today. The atmosphere was filled with poisonous gases. The sky was pink, and the sea was rusty-red.   Is it true? Earth is the only planet with life […]

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Has the Earth always looked the same

These maps show how Earth’s land and sea looked in the past. To fit everything on them, Earth has been drawn as an oval. For a long time, all land was joined together in one giant mass. Over millions of years it broke up into smaller pieces. They turned into today’s continents.  Is it true? […]

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