fossils

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What is a fossil?

Back

A fossil is the preserved remains or traces of a living organism from the past.

Tags

NGSS.MS-LS4-1

Front

What type of organism is the megalodon related to?

Back

The megalodon is related to sharks.

Tags

NGSS.MS-LS4-2

Front

What is a mold fossil?

Back

A mold fossil is a mark or cavity made in sediment in the shape of a shell or other body.

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True or False: All fossils come from dinosaurs.

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FALSE. Fossils can come from many different types of organisms, not just dinosaurs.

Tags

NGSS.MS-LS4-1

Front

What provides scientific evidence of past life?

Back

Fossils provide scientific evidence of past life.

Tags

NGSS.MS-LS4-1

Front

What is a cast fossil?

Back

A cast fossil is a type of fossil that forms when a mold is filled with minerals or other materials.

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What is a trace fossil?

Back

A trace fossil is a fossil that shows the activity of an organism, such as footprints or burrows.

Tags

NGSS.MS-LS4-1

Front

What is petrification?

Back

Petrification is the process by which organic material becomes a fossil through the replacement of its original material with minerals.

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What can fossils tell us about the past?

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Fossils can tell us about the types of organisms that lived, their environment, and how life has changed over time.

Tags

NGSS.MS-LS4-1

Front

What is the difference between a mold and a cast fossil?

Back

A mold fossil is an impression of an organism, while a cast fossil is a replica formed when the mold is filled.