WorksheetsF5 : Radioactivity
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
What is radioactivity?
a)
The positively charged central core of an atom.
b)
When a nucleus decays and it emits some particles/waves from the nucleus.
c)
When a change occurs in the nucleus to make it more stable.
d)
An opposing force caused by the interaction between two surfaces.
2.
What are the three types of radioactivity?
a)
Sedimentary, Metamorphic, Igneous.
b)
Alpha, Beta, Gamma.
c)
Cardiac, Smooth, Skeletal.
d)
Verbal, Situational, Dramatic.
3.
Alpha are...
a)
Are fast moving electrons which typically have energies in the range of a few hundred keV to several MeV.
b)
Are fast moving helium atoms which have high energy typically in the MeV range.
4.
Gamma are...
a)
Are photons with much higher energy than light.gamma rays are really the same thing, the difference is how they were produced.
b)
Are fast moving electrons which typically have energies in the range of a few hundred keV to several MeV.
5.
What makes something radioactive?
a)
Elements with an atomic number above 81.
b)
When a nucleus decays and it emits some particles/waves from the nucleus.
c)
When a hydrogen ion is released, the solution becomes acidic.
d)
A stable nucleus.
6.
Radioactivity can cause reproductive cells to fail.
a)
True
b)
False
7.
Do nuclear bombs leave decay?
a)
No.
b)
Yes.
8.
____________ are photons with much higher energy than light.
a)
Protons
b)
Alpha
c)
Beta
d)
Gamma
9.
Alpha particles have...
a)
positive charged
b)
negative charged
c)
no charge
d)
radioactive charge
10.
Which of the following would expose you to the MOST radiation?
a)
getting a CT scan for your chest
b)
eating a banana
c)
airport metal detectors
d)
Living near a nuclear power plant for a year
11.
Isotopes have the same number of protons and...
a)
neutrons
b)
electrons
c)
atoms
d)
radioactivity
12.
Gamma particles have....
a)
positive charge
b)
negative charge
c)
neutral charge
d)
no charge
13.
Name the type of radioactive particle that can be stopped by a sheet of paper.
a)
alpha
b)
beta
c)
gamma
d)
lambda
14.
Name the most penetrating type of radiation.
a)
alpha
b)
beta
c)
gamma
d)
lambda
15.
The three types of nuclear radiation in order of increasing penetrating power are
a)
alpha, beta, gamma
b)
alpha, gamma, beta
c)
beta, alpha, gamma
d)
gamma, alpha, beta
100 %
