Digging Up The Past

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Digging Up The Past
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Where do we find fossils?

• Fossils can be found practically anywhere!
• High on mountains, underwater, in the desert, on
  the beaches, or deep underground.
• Fossils can be found hidden in rocks called
  concretions or mixed with gravel in a creek.

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Lets be Paleontologists!

• Pretend were going for a fossil dig outside
• What will we find???

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START DIGGING!
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Were at the newest level

• About 1 million years ago, animals you might find
  roaming the grasslands are camels, deer, bison,
  sheep, giraffes, and horses.

Horse Fossil
Giraffe Fossil
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The first human fossils were found in Africa.

• Human like animals that walked
• upright were known as hominids.
• The earliest hominids lived around
• 4 million years ago in the Africa.

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LETS DIG SOME MORE!
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Weve dug back to a level long ago!

• You have dug down to fossils that are about 60
  million years old!
• This is the level where you might find woolly
  mammoth, rhinoceros, musk ox, moose, reindeer,
  mastodon, bison, saber-toothed tigers.

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Wooly Mammoth
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Saber tooth Tiger
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KEEP DIGGING!
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Weve dug back to a level of earth that existed
long, long ago!

• You have gone back to find fossils that can be
  from 65 - 250 million years old!
• During this time many different dinosaurs came
  and went.

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Now Dinosaur Teeth
Then Carcharodont-osaurus
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Now Tyrannosaurus Rex Fossil
Then Tyrannosaurus Rex
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IM SURE YOURE GETTING TIRED, BUT LETS DO ONE
LAST DIG!
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Weve dug back to the oldest layer of earth!

• The oldest fossils are between 250 550 million
  years old.
• Most plants and animals that lived during this
  time, would look strange to us now. Such as the
  bug-like trilobites or the towering seed ferns.

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Now Trilobite Cast
Then Trilobite
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• GOOD WORK,
• PALEONTOLOGISTS!