Fossils and Earth's History

Why are dinosaur fossils important for scientists?

• They can be sold for a lot of money.

• They help scientists understand what Earth was like in the past.

• They prove that humans and dinosaurs lived at the same time.

• They are used to make jewelry.

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

NGSS.MS-LS4-2

How can scientists make an order of approximate times different organisms, such as dinosaurs, existed on Earth?

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Why are some animal fossils found in one layer but not again in the rock layer directly above it?

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Where do we find animal fossils that appear more like animals we have today (mammoths, tigers, humans, etc.) in rock layers closer to the surface or deeper in the Earth?

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Where have most dinosaur fossils been found?

• In the ocean

• Underground in caves

• In sedimentary rock layers

• On mountain tops

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

Which type of fossil is seen here?

• cast

• mold

• true

• trace

Tags

NGSS.MS-LS4-1

What was the interesting observation scientists made about dinosaur fossils compared to other modern animals?

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

How did James Hutton’s idea change the way geologists looked at the history of Earth?

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

By studying dinosaur fossils, scientists can figure out the

• behavior of dinosaurs.

• color of dinosaurs.

• size of dinosaurs.

• All of the above.

Tags

NGSS.MS-LS1-4

NGSS.MS-LS4-2

A fossil discovered in Colorado dates from the early Mesozoic era. A year later a similar fossil is found in Wyoming that also dates from the early Mesozoic era. These two organisms most likely lived in

• the same environment at about the same time.

• the same environment at different times.

• different environments at about the same time.

• different environments at different times.

Tags

NGSS.MS-LS4-1