Science
8th - 12th Grade
NGSS covered
Used 112+ times
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12 questions
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1.
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
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
If the half-life of uranium-232 is 70 years, how many half-lives will it take for 10 g of it to be reduced to 1.25 g?
Tags
NGSS.HS-PS1-8
3.
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
NGSS.HS-PS1-8
4.
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
NGSS.HS-PS1-8
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
If the half-life of uranium-232 is 70 years, how many half-lives will it take for 10 g of it to be reduced to 1.25 g?
Tags
NGSS.HS-PS1-8
6.
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
NGSS.HS-PS1-8
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
The half-life of Zn-71 is 2.4 minutes. If one had 100.0 g at the beginning, how many grams would be left after 4.8 minutes has elapsed?
100.0g
25.0g
12.5g
8.5g
Tags
NGSS.HS-PS1-8
NGSS.HS-PS1-7
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