Half-Life Quiz 1.0

Half-Life Quiz 1.0

9th Grade

10 Qs

quiz-placeholder

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Half-Life Quiz 1.0

Half-Life Quiz 1.0

Assessment

Quiz

Science

9th Grade

Medium

NGSS
HS-PS1-8

Standards-aligned

Created by

Joshua Folkwein

Used 2+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A 200 g sample of carbon-14 decays to 25 g in 17,190 years. What is the half-life of carbon-14?

5,730 years

11,460 years

22,920 years

34,380 years

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Thorium-234 has a half-life of 24.1 days. How long will it take for a 160 g sample to decay to 10 g?

96.4 days

120.5 days

72.3 days

144.6 days

Tags

NGSS.HS-PS1-8

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Polonium-214 has a half-life of 0.00016 seconds. How long will it take for a 500 g sample to decay to 62.5 g?

0.00032 seconds

0.00048 seconds

0.00064 seconds

0.00096 seconds

Tags

NGSS.HS-PS1-8

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A 300 g sample of iodine-131 decays to 37.5 g in 24.0 days. What is the half-life of this isotope?

6.0 days

8.0 days

12.0 days

4.0 days

Tags

NGSS.HS-PS1-8

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A 50 g sample of thorium-230 decays to 3.125 g in 3.2 million years. What is the half-life of thorium-230?

1.6 million years

0.8 million years

2.4 million years

3.2 million years

Tags

NGSS.HS-PS1-8

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A 480 g sample of uranium-234 decays to 15 g in 95 days. What is the half-life of uranium-234?

15 days

19 days

Tags

NGSS.HS-PS1-8

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Strontium-90 has a half-life of 28.8 years. How much of a 40 g sample will remain after 115.2 years?

2.5 g

5.0 g

10.0 g

1.25 g

Tags

NGSS.HS-PS1-8

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