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Dinosaurs
by: Conor H., Grade: 4


The word Dinosaur means terrible lizard.However they were not lizards at all,they were reptiles. The largest dinosaurs weighted about 100 tons.While the smallest were only the size of a turkey.Dinosaurs lived during the Mesozoic era.Most cartoons show dinosaurs living with people.Dinosaurs did not lived with people.The last dinosaurs died 60 million years before men.Scientists found their bones.They also found Dinosaur footprints,eggs and even droppings.Some dinosaurs were herbeivores and they only ate plants.Some Dinosaurs were carnivores and they only ate meat.But sometimes they ate other dinosaurs.Dinosaurs lay there out of the water.Dinosaurs do have names.Here are some of them.Apatosaurus was over 50 feet tall.It was one of the largest dinosaurs that walked the earth.It had a long neck it used to eat leaves from trees.Colophysis was a fast dinosaur.It used its legs to run when theres danger.Stegosaurus was a dinosaur that had bony plates running down its back.It had four sharp spikes at the end of its tail.Hadrosaurus was a dinosaur with a bill of a duck.It also takes care of there young.Ankylosaurus was a dinosaur had lots armor on its back.It moved very slow and had a bony club on its tail.Triceratops had three horns on its head.It had a bony frill on the back of its head.Tyrannosaurus Rex was the king of the dinosaurs.Its teeth were the size of bananas.It was over 40 feet long.Then about 65 million years ago.Dinosaurs went extinct.People are not sure what killed them but some think that the climate changed.However some scientists think that a comet crashed on earth blocking out the sun and dinosaurs could not survive.After the Dinosaurs went extinct mammals ruled the earth.


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