Geology 1

How long have modern humans (homo sapiens) existed?

• 1 million years

• 100,000 years

• 200,000 years

• 4.6 billion years

About how long has Earth existed?

• 4.6 billion years

• 1 billion years

• 2,018 years

• 2 million years

Fossils found in layer D are...

• Older than fossils found in layer B

• Older than fossils found in layer A

• Younger than fossils found in layer F

• Younger than fossils found in layer B

What does half life mean?

• The amount of carbon changes into carbon 14 each year

• The amount of carbon 14 changes into carbon each year

• The amount of carbon changes into carbon 14 each day

• The amount of carbon 14 turns into radioactive carbon each year

The _________ is the thinnest layer of Earth.

• outer core
• inner core
• mantle
• crust

What is a fossil?

• the remains or physical evidence of an organism preserved by geologic processes
• fossils can be preserved in rock, amber, asphalt, or ice
• any naturally preserved evidence of animal activity
• fossil of an organism that lived during a relatively short period of time

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Fossils can provide evidence of how life has changed over time, how Earth's surface has changed, and clues about what past environments were like.

• True
• False

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

All the information that paleontologists have gathered about past life is called the _____

• geologic time
• geologic eras
• fossil eras
• fossil record

Tags

NGSS.MS-LS4-1

If you found a rock containing a very complex fossil, you could infer that the rock is 

• relatively young
• very old
• igneous
• metamorphic

Tags

NGSS.MS-LS4-1

NGSS.MS-ESS1-4

If scientists found this fossil, what could they infer?

• what fish are like today
• that this fish lacked oxygen
• what kind of animal ate this fish
• that water once covered the area

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2