Half-Life

Quiz
•
Biology
•
8th - 12th Grade
•
Easy
Standards-aligned
Charles Martinez
Used 1+ times
FREE Resource
19 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is Half-life?
The amount of time it takes for some of the element to decay
The amount of time it takes for a quarter of the element to decay
The amount of time it takes for half of the element to decay
the amount of time it takes to double the element
The amount of time it takes for the element to decay completely
Tags
NGSS.HS-PS1-8
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The half-life of Zn-71 is 2 minutes. If one had 100 g at the beginning, how many grams would be left after 6 minutes?
100.0g
50.0g
12.5g
6.25g
Tags
NGSS.HS-PS1-8
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Carbon-14 has a half life of 5,730 years. If 17,190 years have passed, how many half-lives have occured?
1
2
3
4
Tags
NGSS.HS-PS1-8
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Tags
NGSS.HS-PS1-8
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Barium-122 has a half-life of 2 minutes. A fresh sample weighing 80 g was obtained. If it takes 10 minutes to set up an experiment using barium-122, how much barium-122 will be left when the experiment begins?
50g
2.5g
25g
80g
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The half-life of iodine-131 is 8 days. If 20 mg of iodine 131 is given to a patient, how much is left after 24 days?
1.25mg
2.5 mg
5 mg
10 mg
Tags
NGSS.HS-PS1-8
7.
MULTIPLE CHOICE QUESTION
1 min • 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?
3.0 g
2.0 g
0.3 g
0.25 g
Tags
NGSS.HS-PS1-8
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