absolute dating 19-20

absolute dating 19-20

8th Grade

30 Qs

quiz-placeholder

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absolute dating 19-20

absolute dating 19-20

Assessment

Quiz

Science

8th Grade

Medium

NGSS
HS-PS1-8, MS-ESS1-4, HS-ESS1-5

+3

Standards-aligned

Created by

LEE GEHRET

Used 29+ times

FREE Resource

30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Scientists use radioactive decay to measure...
relative time
absolute time
half-lives
time of day

Tags

NGSS.HS-PS1-8

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The length of time required for half of the radioactive atoms in a sample to decay is its...
era
age
half-life
eon

Tags

NGSS.HS-PS1-8

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does absolute age differ from relative age?
only absolute dating indicates which rock is older than another
only absolute dating finds the age in years
only relative dating finds the age in years

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Radiometric dating is possible because the rates of decay of radioactive isotopes _____.
change over time
change from place to place
are constant
vary widely

Tags

NGSS.HS-PS1-8

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

If the half-life of a radioactive group of atoms is 100 years, then how old is the rock if there have been two half-lives?
25 years
200 years
400 years
800 years

Tags

CCSS.HSF.LE.A.4

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Media Image
According to the law of superposition, which layer is the youngest?
A
B
C

Tags

NGSS.MS-ESS1-4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

States that younger rocks lie above older rocks if the layers have not been disturbed

superposition

cross-cutting

unconformity

uniformitarianism

Tags

NGSS.MS-ESS1-4

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