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Carbon-14

Authored by Lisa Thompson

Science

9th Grade

NGSS covered

Carbon-14
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25 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Why do we use half life of the radioisotope carbon-14?

to determine the age of fossils and ancient materials

to record sea floor spreading

to breakdown the process of decay

to measure the radioactivity of objects

Tags

NGSS.HS-PS1-8

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Carbon dating relies on

the fact that all living things contain a small amount of carbon-14

organisms dying

washing your hands

organism remaining constant

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

Explain what the graph means

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Therefore, by measuring the amount of carbon-14 in fossils and bones, scientists can

5.

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

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

How many half lives does it take for less than 10% of carbon-14 to remain?

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

This graph demonstrates exponential decay. Describe this pattern in words.

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