Half Life - Radioactivity
Authored by Mark Stinson
Science
7th Grade
NGSS covered
Used 1K+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The term given to unstable radioactive atoms.
Parent
Daughter
Half Life
Igneous
Tags
NGSS.HS-PS1-8
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The % of the parent isotope remaining after 3 Half Lives.
50%
25%
12.5%
6.25%
Tags
NGSS.HS-PS1-8
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The % of the parent isotope remaining after 1 Half Life.
50%
25%
12.5%
6.25%
Tags
NGSS.HS-PS1-8
4.
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
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
After one half life, a sample will begin to have more of the parent isotope than the daughter isotope.
TRUE
FALSE
Tags
NGSS.HS-PS1-8
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A sample will lose half of the parent isotope after 1 half life.
TRUE
FALSE
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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