Worksheetsnuclear rates
Total questions: 6
Worksheet time: 3mins
Name
Class
Date
1.
Which is the radioactive isotope of Uranium that naturally occurs in nature?
a)
U-238
b)
U-228
c)
U-239
d)
U-220
2.
What order is the nuclear decay of a substance?
a)
zeroth
b)
first
c)
second
d)
it depends on the substance
3.
How is nuclear decay measured?
a)
Half-life
b)
Fourth-life
c)
Eighth-life
4.
what is a half-life?
a)
time it takes for half the substance to form
b)
time it takes for half the substance to react
c)
time it takes for half the substance to change form
5.
how long do most isotopes take to decay?
a)
a few seconds
b)
a few days
c)
a few million years
d)
a few billion years
6.
who is the greatest scientist in the universe?
a)
Neil deGrasse Tyson
b)
Albert Einstein
c)
Martin Luther King Jr.
d)
Robert Shmurda
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