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What Is a Dinosaur?

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What Is a Dinosaur? What is a Bird? A bird is any animal that has wings, feathers, hollow bones, specialized feet and a beak. Birds lay eggs, breathe air and are warm-blooded. They range in size from a tiny hummingbird to an ostrich. Birds are found all over the world in a variety of habitats. Many scientists think that birds are avian dinosaurs. What is a Dinosaur? A dinosaur was an animal that lived during the Mesozoic Era, 225-65 million years ago. Dinosaurs lived on land and did not swim or fly. They had 4 limbs, scaly skin and laid eggs. They ranged in size from 3 feet long to over 150 feet long. Dinosaurs were in existence for over 160 million years and were a diversified and remarkable group of reptiles. For an activity: white out the underlined words and have the children fill in the blanks. What’s the Connection? Birds have many features in common with their relatives, the theropod dinosaurs. Other characteristics are unique to birds or only found in dinosaurs. If the characteristic describes both of the animals write it under “Common to both”, if it only describes one of the animals then write it in under that animal. Alive today Lays eggs Beak Makes nest for young Bipedal (walks on 2 legs) Teeth Can fly Weighs up to 350 pounds Existed over 65 million years ago Weighs up to 15,000 pounds Feathered bodies Wishbone Hollow bones 3-toed BIRDS DINOSAURS COMMON TO BOTH : Match the correct answers to the different style of types in the directions. directions. the in types of style different the to answers correct the Match : Answers Unscrambled Eggs Dinosaurs laid eggs. Avian dinosaurs (birds) lay eggs, as well. The biggest egg from a living bird is laid by an ostrich and weighs 56 ounces (oz), about the size of a cantaloupe. ostrich hummingbird The smallest egg, the size of a small pea, belongs to the bee hummingbird and weighs 0.01 oz. 1. How many bee hummingbird eggs can fit into one ostrich egg? 2. If 24 chicken eggs fit into one ostrich egg, how many ounces does a chicken egg weigh? 3. How many bee hummingbird eggs would fit into you if you weighed 960 oz? A mother ostrich weighs about 70 times more than her egg. A mother bee hummingbird weighs about 8 times more than her egg. Compared to its mother, the bee hummingbird egg is larger than the ostrich egg. 4. How many ounces does a mother ostrich weigh? 5. How many ounces does a mother bee hummingbird weigh? 6. Kiwi is a flightless chicken-sized bird from New Zealand. The mother kiwi weighs only four times more than her egg. If you weighed 60 lb, and laid an egg four times lighter than you, how many pounds would your egg be? (Hint: it’s about the size of a watermelon!) 6. 60/4 = 15 pounds pounds 15 = 60/4 6. 5. Mother hummingbird’s weigh = 0.01x8 = 0.08 oz oz 0.08 = 0.01x8 = weigh hummingbird’s Mother 5. 4. Mother ostrich’s weigh = 56x70 = 3920 oz oz 3920 = 56x70 = weigh ostrich’s Mother 4. 3. 960 oz/0.01 = 96000 hummingbird eggs eggs hummingbird 96000 = oz/0.01 960 3. 2. 56/24 = 2.4 oz oz 2.4 = 56/24 2. 1. 56/0.01 = 5600 hummingbird eggs eggs hummingbird 5600 = 56/0.01 1. Answers: Answers: Dinosaur Diversity Using flashcards (double sided) ask students to sort them by varying criteria to explore the similarities and differences between dinosaurs i.e. size, location found. Apatosaurus Troodon Deceptive Lizard Wounding Tooth Maiasaura Velociraptor Good Mother Lizard Speedy Robber Tarbosaurus Sinosauropteryx Alarming Lizard Chinese Dragon Wing Allosaurus Brachiosaurus Other Lizard Arm Lizard Monolophosaurus Compsognathus Single Crested Lizard Pretty Jaw Deinonychus Tyrannosaurus Terrible Claw Tyrant Lizard King Dinosaur Diversity (page 2) The information listed below is for each dinosaur listed on the front of the card and is as follows: length of dinosaur, location found, time period, diet. 10 feet long 70 feet long North America North America Late Cretaceous Late Jurassic Carnivore Herbivore 6.5 feet long 30 feet long Asia North America Late Cretaceous Late Cretaceous Carnivore Herbivore 4 feet long 30-40 feet long Asia Asia Late Jurassic Late Cretaceous Carnivore Carnivore 85 feet long 39 feet long North America North America Late Jurassic Late Jurassic Herbivore Carnivore 3-6 feet long 17 feet long France, Germany Asia Late Jurassic Jurassic Carnivore Carnivore 40 feet long 10 feet long North America North America Late Cretaceous Early Cretaceous Carnivore Carnivore Dino-cabulary 1 234 5 6 78 O 9 G 10 11 12 13 14 15 AE 16 18 19 17 Z 20 21 Across Down Across Down 1 Type of feather that helps keep birds warm 1 Ancient reptile that could not fly or swim 2 When animals are no longer around 2 Birds and dinosaurs laid these 3 Dinosaur movie, ________ Park 4 Fossilized dinosaur poop 5 2-legged, 3-toed carnivorous dinosaur 8 Characteristic that helps animals survive 6 At the end of toes used for tearing 9 Large, famous carnivorous dinosaur 7 Person who studies fossils 10 Wings help birds do this 10 These are all over a bird 11 Plant-eating animal 14 Body part that helps a bird fly 12 Part of bird's head that helps birds eat 15 The most primitive bird 13 Time period between 225 -65 million 17 Meat-eating animal years ago 18 Remains of something once alive 16 Type of feather that gives shape to a bird 20 Avian dinosaur 19 Dinosaurs lived on _____, not in water. 21 Dinosaur also known as the "speedy robber" 1 dinosaur; 2 eggs; 4 coprolite; 8 adaptation; 9 Trex; 10 fly; 11 herbivore; 12 beak; 13 Mesozoic; 16 contour; 19 land; land; 19 contour; 16 Mesozoic; 13 beak; 12 herbivore; 11 fly; 10 Trex; 9 adaptation; 8 coprolite; 4 eggs; 2 dinosaur; 1 Down: Down: bird; 21 velociraptor; velociraptor; 21 bird; fossil; 20 20 fossil; 18 carnivore; 17 Archaeopteryx; 15 wing; 14 feathers; 10 paleontologist; 7 claws; 6 theropod; 5 Jurassic; 3 extinct; 2 1down; : Across ANSWERS ANSWERS .
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