Unit 2 Review - Fossils

What can scientists learn from studying fossils?

• Scientists can learn about the composition of Earth.

• Scientists can learn about the physical properties of rocks.

• Scientists can learn about the chemical properties of rocks.

• Scientists can learn about organisms and environments from long ago.

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What can scientists learn by studying the fossils in an area?

• Scientists can learn about the sunlight in an area.

• Scientists can learn the amount of rainfall in an area.

• Scientists can learn about the animals that lived in an area.

• Scientists can learn the direction the wind used to blow in an area.

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NGSS.MS-LS4-1

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How did this leaf become a fossil?

• A rock fell on the leaf.

• Rain glued the leaf to the rock.

• People drew a picture of the leaf on the rock.

• A leaf was pressed into mud and turned to rock.

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NGSS.MS-LS4-1

Use the chart below to answer the question. A student found a fossil in the forest. The student made a claim that the forest must have had a fresh water pond or lake at one time. Which fossil could the student have found to support this claim?

• Shark's Tooth

• Fish Skull

• Squirrel Skull

• Alligator Tail

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NGSS.MS-LS4-1

Students found the fossil below in a dry mountain area. Which claim can students make about the mountain in the past?

• The mountain was a volcano in the past.

• The mountain was under water in the past.

• The mountain was covered by trees in the past.

• The mountain was covered by snow in the past.

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NGSS.MS-LS4-1

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Looking at the fossil evidence, which part of the map was covered by an ocean in the past?

• A

• B

• C

• D

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Which of the following BEST explains why this fossil is made of rock?

• The dinosaur ate many plants that contained minerals.

• The dinosaur died when a rock fell on it and crushed it.

• The dinosaur skull changed from bone to rock in the ground.

• The dinosaur died in the ocean and sank to the bottom.

Under the ice, in the arctic, there are rocks with fossils of plants that only grow in warm places. Finding this fossil in the arctic is evidence that:

• The rock layer is younger than the ice.

• Some plants grow easily in ice.

• Rock is always covered with ice.

• This area used to be warmer.

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NGSS.MS-LS4-1

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What happens after a dinosaur is buried under dirt and sediment in the fossilization process?

• The dinosaur is buried under dirt and sediment.

• A dinosaur dies.

• The soft parts of the dinosaur decay.

• Layers of sediment press on the bones and squeeze out water and replace it with minerals.

Tags

NGSS.MS-ESS2-2

What is the final step in the process of a dinosaur becoming a fossil?

• A dinosaur dies.

• The dinosaur is buried under dirt and sediment.

• The soft parts of the dinosaur decay.

• Layers of sediment press on the bones and squeeze out water and replace it with minerals.