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S2-U3L5 - What Are Fossils

S2-U3L5 - What Are Fossils

Assessment

Presentation

Science

2nd Grade

Medium

NGSS
MS-LS4-1, MS-ESS1-4, 2-ESS1-1

+3

Standards-aligned

Created by

David Victor Banares

Used 12+ times

FREE Resource

24 Slides • 8 Questions

1

What Are Fossils

S2-U3L5

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What can bones tell us about a dinosaur?

  • The bones can tell us how big the dinosaur was.

  • They can tell us when the dinosaur lived.

  • They can tell us what it ate or how it moved. 

4

How long ago did dinosaurs live? 

Dinosaurs lived millions of years ago.

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5

Multiple Choice

Are there any dinosaurs alive today?

1

Yes, there are.

2

No, there isn't.

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What do you think this Tyrannosaurus rex was like when it was alive?

The Tyrannosaurus rex was big and ferocious. It ate other animals. 

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What do you think the megalodon was like?

  • The megalodon lived in water.

  • It was large and had sharp teeth.

13

Multiple Choice

What do you think the megalodon ate?

1

ate other fish

2

ate humans

3

ate dinosaurs

4

ate boats

14

What do you think the megalodon ate? 

The megalodon ate other fish. 

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15

Multiple Select

How can the megalodon fossils help scientists learn about the megalodon?

1

Fossils of bones can help scientists figure out how big the megalodon was.

2

Fossils of teeth can help them figure out what it ate.

3

The body can tell them how it moved.

4

Fossils help scientists tell how the megalodon ate an entire ship.

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What does it mean for a plant or an animal to be extinct? 

  • If a plant or an animal is extinct, it is no longer living on Earth. 

18

List two examples of ways that fossils can form. 

  • Fossils can form when bones are left behind. They can form when footprints are left behind or when an animal gets trapped in sap.

  • They form when a plant turns to rock or when a plant or animal freezes in ice.


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Multiple Choice

Do fossils form slowly or quickly?

1

slowly

2

quickly

21

Multiple Choice

How long do you think it takes for a process like this to occur?

1

it takes hundreds of years

2

it takes thousands of years

3

it takes millions of years

22

What happens during petrifaction? 

Hard materials soak into a living thing and replace the soft parts. The living thing turns to rock. 

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What does the following statement mean? Fossils form in a step-by-step process.

  • must happen in a certain order for a fossil to form.

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Multiple Choice

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What type of environment do you think the woolly mammoth lived in?

1

in a warm environment

2

It probably lived in a very cold environment.

3

in a tropical rainforest

4

in the desert

26

Multiple Choice

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How did the spider come to be preserved in the amber?

1

The spider got poured with honey butter.

2

The spider fell on a yellow colored water.

3

The spider probably got stuck in tree sap, which is sticky and runny.

27

Some fossils, such as the fossils of the plant and the snail, are molds or imprints. How could you use clay to show how a mold or imprint is made? 

  • You could make an imprint of your hand or another object in clay.

  • When you remove the object, you can see in the clay what the object looks like.

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Multiple Choice

How do fossils of sea creatures tell us that the area where they are found was once under water?

1

The sea creatures lived in water, so the place where their fossils are found was probably once covered with water.

2

the fish is stinky

3

the sea creatures are covered with slime then turned into rocks.

30

How can a lizard fossil help explain how landforms have moved? 

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Fossils of the same type of lizard were found in two places that are not near each other. Because the same type of lizard was found in both places, scientists think the lizards must have been able to travel easily between the two places. That means the two landforms may have once been closer.

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To be continued next meeting

What Are Fossils

S2-U3L5

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