Meet the Dinosaurs
A dinosaur is a special kind of creature that lived during the Triassic, Jurassic, and Cretaceous periods millions of years ago. Dinosaurs first appeared in the Triassic period and became the best hunters on land. They also developed special features in their skulls as well as different ways of walking such as upright with their legs underneath them.
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Leaellynasaura
Herbivore. Could live in extreme weather conditions.
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Plants and flowers
Modern day plants started growing towards the end of this period.
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Lambeosaurus
Herbivore known for its unusual crested head.
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Tyrannosaurus Rex
Carnivore. King of the dinosaurs, very tall and wlaked on two legs.
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Parasaurolophus
Herbivore. Could walk on two or all four legs.
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Tarchia
Herbivore. Had an armored body and a club for a tail.
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Anchiceratops
Herbivore. Three horns grew on its head, two above the eyes and one on its beak.
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Cretaceous period
The Cretaceous period ends with the extinction of the dinosaurs. Flowering plants and modern insects appeared. Dinosaurs of all shapes and sizes walked the land including duckbills, armored. horned and dome-headed dinosaurs.There were new forms of giant meat eaters as well as a deadly new breed of hunter, the raptor; known for its sharp teeth and curved claw on each hand and foot.
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Eustreptospondylus
Carnivore. Name means well reversed spine.
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Ultrssauro
Herbivore. Names means ultra reptile for its enormous size.
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Stegosaurus
Herbivore. Plates ran down its spine and spikes on its tail were used for combat.
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Carnotaurus
Carnivore. Name means meat eating bull.
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dilophosaurus
Carnivore. Means double crested lizard.
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Ceratosaurid
Carnivore with a horn on snout, long sharp teeth and slashing claws on both arms.
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Jurrassic Period
The Jurassic period lasted about 55 million years and many new types of dinosaurs, mammals, and reptiles emerged such as Plated dinosaurs and the Sauropods; heavy long-necked dinosaurs that walked on four legs. There were also large Theropods or meat eating dinosaurs roaming the Earth. The first birds and birdlike dinosaurs also appeared during this period.
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Staurikosaurus
Carnivore. Could chew food backwards, forwards, and up or down. Could attack bigger animals.
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Sellosaurus
Herbivore, one of the largest dinosaurs of this period.
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Coelophysis
Carnivore with birdlike hollow bones.
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Gojirasaurus
Carnivore, one of the largest of this period.
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Herrerasaurus
Carnivore, one of the oldest dinosaurs ever found.
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Triassic
The earliest dinosaurs and mammals date back to the late Triassic period. Most of the first Triassic dinosaurs were small and quick meat eaters that walked on their hind legs. By the end, larger prosauropods (20 foot long plant eating dinosaurs) were beginning to appear.
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Meet the dinosaurs
Lets look at some of these creatures and learn about how we can recognize some of their physical characteristics as well as some of their special features.
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Theme Music
Alright 3rd graders, it's time to explore the ancient world of dinosaurs! By the end of this lesson you will be able to distinguish between herbivores, omnivores, and carnivores and also be able to recognize some characteristics of certain dinosaurs!
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Extinction
Dinosaurs become extinct, but other animals evolve over time. No one knows exactly how dinosaurs ceased to exist, but how awesome it is to think these creatures once ruled the Earth.
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Raptor
Carnivore with high intelligence and razor sharp curved claws.
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Insects
Modern insects also lived during this time.