What Ancient Earth Was Like

This concept explains why South America and Africa look like two pieces of a jigsaw puzzle.

• weathering

• continental drift

• hydrosphere

• fault

Tags

NGSS.MS-ESS2-3

Scientists compare the age of one rock to the age of another rock to determine its

• era

• absolute age

• relative age

• chronological age

Tags

NGSS.MS-ESS1-4

The time divisions that make up an era are called

• times.

• periods.

• cores.

• faults.

Tags

NGSS.MS-ESS1-4

If a scientist found a fish fossil in the desert, what can they infer?

• An animal ate the fish.

• The water covered the area long ago.

• Today's fish looks the same

• The fish is endangered.

Tags

NGSS.MS-LS4-1

NGSS.MS-ESS2-3

What needs to happen FIRST for a fossil to form?

• A plant or animal must be covered by sediment.

• A plant or animal must die and decompose.

• Sediments fill a a mold to form a cast.

• An earthquake shifts the land up.

An organism is ______________ if it no longer exits and will never live again on Earth.

• rare

• extinct

• plentiful

• missing

Tags

NGSS.MS-LS4-1

This type of fossil is tree sap hardened and replaced by minerals.

• Petrified wood

• Imprint

• Amber

• Mold

A ______________________ is a scientist who studies fossils.

• biologist

• chemist

• paleontologist

• astronomer

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Scientist study the ____________________ to learn about the history of life, past environments on Earth, and how different groups of organisms have changed over time.

• fossil record

• animal record

• historical record

• Earth record

Tags

NGSS.MS-LS4-1

Which of the following substances is not able to preserve entire organisms?

• sticky tar

• water

• amber

• ice

Tags

NGSS.MS-LS4-1