Radioactivity and Half Life Graphs
Authored by Charles Martinez
Chemistry
4th Grade
NGSS covered
Used 3+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
What is the half-life of iodine-131?
Tags
NGSS.HS-PS1-8
2.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
What is the Half life of this isotope?
5 seconds
10 seconds
15 seconds
20 seconds
Tags
NGSS.HS-PS1-8
3.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
What is the Half Life of this isotope?
3 days
5 days
8 days
10 days
Tags
NGSS.HS-PS1-8
4.
FILL IN THE BLANK QUESTION
3 mins • 5 pts
What is the half-life of this sample?
Answer explanation
Our starting activity is 400 cpm, so we’re looking for the point where it hits 200 to find its half-life. By reading our graph, we can see that this is after 15 days, so the half-life is 15 days.
Tags
NGSS.HS-PS1-8
5.
FILL IN THE BLANK QUESTION
3 mins • 5 pts
What is the half-life of this sample?
Tags
NGSS.HS-PS1-8
6.
FILL IN THE BLANK QUESTION
3 mins • 5 pts
What is the half life of this sample?
Tags
NGSS.HS-PS1-8
7.
FILL IN THE BLANK QUESTION
3 mins • 5 pts
What is the half-life of this sample?
Tags
NGSS.HS-PS1-8
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