NEW
Font size
S
M
L
XL
WorksheetsNuclear Energy TOD
Total questions: 12
Worksheet time: 15mins
Name
Class
Date
1.
Splitting a uranium atom is called -
a)
fission
b)
fusion
2.
All of the following are problems of nuclear energy except ---
a)
storage of radioactive fuel
b)
air pollution
c)
security concerns
d)
natural disasters (tsunamis, earthquakes, etc.)
3.
Which best describes an isotope?
a)
atoms of the same element with the same mass
b)
atoms of different elements with the same mass
c)
atoms of the same element with a different number of neutrons
d)
atoms of different elements with different number of neutrons
4.
During beta decay, a nucleus ....
a)
gives up two protons and two neutrons.
b)
maintains the same number of protons and neutrons.
c)
loses a proton and gains a neutron.
d)
gains a proton and loses a neutron.
5.
When a nucleus undergoes nuclear decay by gamma rays, the atomic number of the element....
a)
remains the same
b)
decreases by one.
c)
increases by one.
d)
increases by two.
6.
The most penetrating type of radiation is the ____.
a)
alpha particle
b)
gamma ray
c)
beta particle
d)
uranium
7.
A helium nucleus with two protons and two neutrons is called a(n) ____.
a)
alpha particle
b)
electroscope
c)
beta particle
d)
gamma ray
8.
What is Half-life?
a)
The amount of time it takes for some of the nuclei in a sample of the isotope to decay
b)
The amount of time it takes for half the electrons in a sample of the isotope to decay
c)
The amount of time it takes for half the nuclei in a sample of the isotope to decay
d)
the amount of time it takes to double the nuclei in a sample of the isotope to decay
9.
Barium-122 has a half-life of 5 minutes. A fresh sample weighing 80 g was obtained. If it takes 10 minutes to set up an experiment using barium-122, how much barium-122 will be left when the experiment begins?
a)
0.25g
b)
2.0g
c)
20g
d)
40g
10.
When Cesium-137 undergoes radioactive decay it emits a beta particle. What isotope will result from this decay?
a)
Cesium 136
b)
Barium 137
c)
Iodine 133
d)
Cesium 137
11.
What is an advantage of nuclear energy?
a)
radioactive waste
b)
no air pollution
c)
we will never run out
d)
it is the safest way to make energy
12.
If Chromium-50 undergoes alpha decay what isotope will result
a)
Manganese-50
b)
Titanium-46
c)
Titanium-48
d)
Manganese-49
Reset
