Fossils 4.LS4.1

What is a fossil?

• a dinosaur bones

• b the trace or remains of an organism that lived long ago preserved in rock

• c soft parts of an animal like skin or hair

• d the hard parts of an animal like claws or teeth

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What kind of food do you think this animal mostly ate?

• Plants

• Rocks

• Insects

• Meat

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If this fossil was found in the desert, what would it tell them about Earth's history?

• a it is very dry in the desert

• b this animal used to have legs

• c water used to be where the desert is now

• d mountains used to be where the desert is now

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When a fossil forms, which event happens last?

• the soft parts rot away and the hard parts remain

• minerals replace the hard parts and turn them into rock

• heavy layers of sediment pile on, creating pressure

• a living thing dies and gets buried under sediment

Which type of fossil forms when a mold gets filled with sediment and it hardens into rock? Mark only one oval.

• bone

• trace

• preservation

• cast

How long does it take for a fossil to form in nature? Mark only one oval.

• many hours

• several days

• a few years

• thousands of years

What is a living organism? Mark only one oval.

• a fossil

• a plant, animal, or anything that is alive

• rocks and minerals

• a glass of water

What is a characteristic of this animal that you can learn from studying this fossil?

• it had long legs

• it lived in water

• it has flat teeth

• it was really small

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What can we learn from studying fossils?

• It gives us clues about an organism while it was alive

• dinosaurs are cool

• fossils are valuable and fragile

• sand turns into rocks

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What type of fossil is this?

• a new fossil

• a soft fossil

• a mold fossil

• a moon fossil

Tags

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