Transcript Dinosaurs!

Dinosaurs!
Ms. Ferrer’s Science Class
Dinosaurs
• Lived for over 160 million years
• From the late Triassic period (about
230 million years ago) until the end of the
Cretaceous period (65 million years ago)
Dinosaurs
• Varying
– Shapes
– Sizes
– Colors
– Diets
– Land, Water, Air
Procompsognathus
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One of the 1st dinosaurs
21 feet long
Laid eggs
Had long neck which enabled to eat
leaves in high trees
Brontosaurus
• One of the largest dinosaurs to ever walk
the earth
• 70 feet long
• Weighed 30 tons
• Ate an average of 300 pounds of plants a
day
Allosaurus
• 30 feet long, bigger than a bus with a brain
the size of a walnut
• Ferocious meat eater
Stegosaurus
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25 feet long
Only weighed 2 tons
Plant eater
Stiff plates on back and sharp spikes on
tail to help defend itself from meat-eating
dinosaurs
Pteranodon
• 27 foot wingspread
which helped for
gliding long distances
• Had toothless beaks
like modern birds
• Ate fish
Tylosaurus
• Ate fish, sharks and flightless birds
• Moved through the water with help from
powerful tail
• 25 feet long
Summary
• Dinosaurs lived for over 160 million years,
from the late Triassic period, 230 million
years ago, until the end of the Cretaceous
period, 65 million years ago. Dinosaurs
diets varied from plants, meat, eggs and
fish. They ranged in size from 1 foot to 70
feet long. Some dinosaurs lived on land,
others glided through the skies and some
lived in the water.
The End