Half-Life
Authored by Bob Baker
Physics
8th - 11th Grade
NGSS covered
Used 12+ times
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13 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
After the third half-life, how much of the sample is left?
Tags
NGSS.HS-PS1-8
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
If 10 mg of iodine 131 is given to a patient, how much is left after 24 days? The half-life of iodine-131 is 8 days.
Tags
CCSS.HSF.LE.A.4
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
The half-life of strontium-90 is 25 years. How much strontium-90 will remain after 100 years if the initial amount is 4.0 g?
Tags
CCSS.HSF.LE.A.4
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the half-life of iodine-131?
Tags
NGSS.HS-PS1-8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The % of the parent isotope remaining after 1 Half Life.
50%
25%
12.5%
6.25%
Tags
NGSS.HS-PS1-8
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The % of the parent isotope remaining after 2 Half Lives.
50%
25%
12.5%
6.25%
Tags
NGSS.HS-PS1-8
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The diagram shows 32 atoms
32 of the Red are the parent isotope
0 of the atoms are daughter isotopes
How many half-lives have occurred?
0
1
2
3
Tags
NGSS.HS-PS1-8
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