8 E 2 1

Scientists use radiometric dating (radioactive decay) to measure...

• relative time (dating)

• absolute time (dating)

Tags

NGSS.MS-ESS1-4

Absolute age is defined as:

• The age of rock determined by radiometric dating.

• The age of rock determined by relative dating.

Tags

NGSS.MS-ESS1-4

How old do Paleontologists believe the Earth is?

• 4.6 billion years old
• 4.6 million years old

Tags

NGSS.MS-ESS1-3

NGSS.MS-ESS1-4

Trilobites are good index fossils because.... (pick the best answer).

• abundant, widespread geographically, and only lived a short time
• only lived for a short time period

By saying: "I am older than my sister," is an example of which type of dating used in Geology:

• Relative Age/Dating
• Absolute Age/Dating

Tags

NGSS.MS-ESS1-4

Which fossil would make a good index fossil?

• A
• B

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

Index fossils CAN tell us the age of a rock layer.

• True
• False

Tags

NGSS.MS-ESS1-4

Cavity in a rock made when an organism decayed

• cast

• mold

Tags

NGSS.MS-LS4-1

Produced when sediments fill in a cavity made when an object decayed

• cast

• original remains

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Process that uses the properties of atoms in rocks and other objects to determine their ages

• radioactive decay

• absolute dating

Tags

NGSS.MS-ESS1-4