Radiometric Dating and Radioactive Decay

Radiometric Dating and Radioactive Decay

8th Grade

15 Qs

quiz-placeholder

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Radiometric Dating and Radioactive Decay

Radiometric Dating and Radioactive Decay

Assessment

Quiz

Science

8th Grade

Practice Problem

Hard

NGSS
HS-PS1-8

Standards-aligned

Created by

Lisa Thompson

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The length of time required for half of the radioactive atoms in a sample of Carbon-14 to decay is its...

era

age

half-life

eon

Tags

NGSS.HS-PS1-8

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In determining the age of ancient artifacts, radiometric dating is effective 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

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If a scientist measures the amount of carbon-14 in a fossil and finds it to be half of what it would be in a living organism, what percent of the original carbon-14 is left in the fossil?

100%

75%

50%

25%

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Scientists use radioactive decay to measure the age of archaeological artifacts by...

relative time

absolute time

half-lives

time of day

Tags

NGSS.HS-PS1-8

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A geologist discovers a rock sample with radioactive elements.  After analysis, it's determined that 12.5% of the original radioactive elements remain. How many half-lives has the rock experienced? (Hint, at Half-Life = 0, you start with 100%)

zero

1

2

3

Tags

NGSS.HS-PS1-8

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

As time passes, unstable parent materials decays into stable

carbon

daughter material

uranium 238

Argon

Tags

NGSS.HS-PS1-8

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A newly formed volcanic rock that has just solidified from magma will contain

only parent isotopes

only daughter material

an even mix of parent and daughter

can't be determined

Tags

NGSS.HS-PS1-8

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