Earth history

Which process would be most effective in determining the age of fossils embedded in rock?

• relative dating
• absolute dating
• use of index fossils
• use of core sampling

By which method have scientists determined that the Earth is about 4.5 billion years old?

• plate tectonics
• relative dating
• radioactive dating
• law of superposition

Tags

NGSS.HS-PS1-8

NGSS.HS-ESS1-6

Which characteristic of carbon-14 dating helps scientists determine the approximate time a species became extinct?

• Carbon-14 is not present in more recent fossils
• Carbon-14 increases at a constant rate over time
• Carbon-14 decreases at a constant rate over time
• Carbon-14 can only be found in fossils of a certain period

Tags

NGSS.HS-PS1-8

What is a mass extinction?

• When all the species in a particular area on earth suddenly go extinct
• When multiple species from all over the earth suddenly go extinct 
• When one species goes extinct due to habitat changes
• When all life on earth is wiped out 

Tags

NGSS.MS-LS4-1

There have been _____ mass extinction events in Earth's history.

• 3
• 4
• 5
• 2

Tags

NGSS.MS-LS4-1

True or False: Human beings are wiping out species much faster than nature creates them, causing what scientists call a "6th extinction"

• true

• false

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

According to most scientists, what is the ultimate cause of most mass extinctions?

• overhunting

• evolution of new species to replace old ones

• major change in environment

• asteroid impact

Tags

NGSS.MS-LS4-1

NGSS.MS-ESS2-2

The earth is ______________of years old

• Hundreds

• Millions

• Billions

• Trillions

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

How old do Paleontologists believe the Earth is?

• 2019 years old

• 3.6 billion years old

• 4.6 billion years old

• 4.6 million years old

Tags

NGSS.MS-ESS1-4

Which layer contains the oldest fossil?

• Layer 1

• Layer 2

• Layer 3

• Layer 4

Tags

NGSS.MS-ESS1-4