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Absolute Dating and Geologic time

Authored by Lora Carolan

Science

11th - 12th Grade

NGSS covered

Used 13+ times

Absolute Dating and Geologic time
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13 questions

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1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Numerical age dates based on radioactivity are very important for the studying of Precambrian geologic history because fossils are rare or absent.

True

False

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The process by which atomic nuclei decay is called ______

deposition

erosion

relative dating

radioactivity.

Tags

NGSS.HS-PS1-8

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following denotes the divisions of the geologic time scale in correct order of decreasing lengths of time beginning with the longest time interval and ending with the shortest?

eon, era, period, epoch

era, period, epoch, eon

eon, era, epoch, period

eon, epoch, period, era

Tags

NGSS.MS-ESS1-4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is not a very long-lived, radioactive isotope?

K-40

C-14

U-238

Rb-87

Tags

NGSS.HS-PS1-8

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Consider the names of the eras in the geologic time scale. What is meant by "zoic"?

places; geographic references

time; recording of events

life; living things

rocks; lithified strata

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following describes radioactive decay by beta particle emission?

The daughter isotope has an atomic number one less than the parent and a mass number two less.

The atomic number of the daughter isotope is one more than the parent; the mass numbers are the same.

The daughter isotope has an atomic number two less than the parent and a mass number four less.

The mass number of the daughter isotope is one more than the parent, and both isotopes have the same atomic number.

Tags

NGSS.HS-PS1-8

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

About 88 percent of geologic time is represented by the time span called the ________.

Mesozoic

Precambrian

Phanerozoic

Paleozoic

Tags

NGSS.MS-ESS1-4

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