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WorksheetsChapter 10 Science Holt
Total questions: 9
Worksheet time: 5mins
When a heavy nucleus decays, it may emit any of the following except
alpha particles.
beta particles.
gamma rays.
X rays.
A neutron decays to form a proton and a(n)
alpha particle.
beta particle.
gamma ray.
emitted neutron.
After three half-lives, ___ of a radioactive sample remains.
all
one-half
one-third
one-eighth
Carbon dating can be used to measure the age of each of the following except
a. a 7,000-year-old human body.
b. a 1,200-year-old wooden statue.
c. a 2,600-year-old iron sword.
d. a 3,500-year-old piece of fabric.
The strong nuclear force
attracts protons to electrons.
holds molecules together.
holds the atomic nucleus together.
attracts electrons to neutrons.
The process in which a heavy nucleus splits into two lighter nuclei is called
fission.
fusion.
alpha decay.
a chain reaction.
The amount of energy produced during nuclear fission is related to
the temperature in the atmosphere during nuclear fission.
the masses of the original nuclei and the particles released.
the volume of the nuclear reactor.
the square of the speed of sound.
Which condition is not necessary for a chain reaction to occur?
The radioactive sample must have a short half-life.
The neutrons from one split nucleus must cause other nuclei to divide.
The radioactive sample must be at critical mass.
Not too many neutrons must be allowed to leave the radioactive sample.
Which of the following is not a use for radioactive isotopes?
as tracers for diagnosing disease
as an additive to paints to increase durability
as a way to treat forms of cancer
as a way to study biochemical processes in plants
