Looking at Fossils and Time Marches on 3.4 & 3.5

Scientists who study fossils are called

• Geologists
• Paleontologists
• Fossil Scientists
• Meteorologists

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Which layer is oldest?

• A
• W
• G
• Z

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NGSS.MS-ESS1-4

How old do Paleontologists believe the Earth is?

• 2015 years old
• 3.6 billion years old
• 4.6 billion years old
• 4.6 million years old

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Which is the most recent era of time- the one that we are currently in?

• Mesozoic 
• Paleozoic 
• Cenozoic 
• Precambrian 

The era that dinosaurs ruled the Earth's land, air and oceans.

• Cenozoic
• Paleozoic
• Precambrian
• Mesozoic

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An example of a trace fossil…

• bones

• feathers

• preserved remains

• footprints

This type of fossil is a stone "copy"....also called petrification.

• preserved remains
• mineral replacement
• cast
• mold

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NGSS.MS-LS4-1

When we pressed our dinosaur bodies into the clay...What type of "fossil" did it leave us with?

• preserved remains
• trace
• cast
• mold

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NGSS.MS-LS4-1

What type of fossil is a mummy?

• mold

• cast

• mineral replacement

• original remains

Becoming trapped in tar and amber, and freezing are other processes besides fossilization that organisms can be preserved.

• True
• False

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