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WorksheetsAtomic Energy
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
What did Marie Curie call it when an atom ejects particles?
a)
Radioactivity
b)
Alpha Decay
c)
Beta Decay
d)
Half-life
2.
What happens to the level of carbon-14 present in an organism after it dies?
a)
Carbon-14 increase
b)
Carbon-14 decrease
c)
Carbon-14 stays the same
d)
Carbon-14 increases then drops
3.
What is the time it takes one-half of the nuclei of radioactive isotope to decay called?
a)
Half-life
b)
Carbon-14
c)
Isotope life
d)
Radioactivity
4.
What happens when light shines on fluorescent materials?
a)
They explode
b)
The material breaks into particles
c)
The material glows
d)
The material gives off gas
5.
A particle made up of 2 protons and 2 neutrons is called a(n)...
a)
Gamma Ray
b)
Alpha Particle
c)
Beta Particle
d)
Isotope
6.
An electron or positron ejected from the nucleus of an atom is called __________________.
a)
Alpha particle
b)
Beta Particle
c)
Gamma Ray
d)
Isotope
7.
High energy radioactive light that can penetrate lead is called...
a)
Alpha particles
b)
Beta Particles
c)
Gamma Rays
d)
Mass Number
8.
Carbon-14 can be used to find the age of once living objects up to how many years old?
a)
5,300 years old
b)
1.5 million years old
c)
50,000 years old
d)
1,500 years old
9.
What form of radiation has the greatest ability to go through (penetrate) materials?
a)
Alpha Particles
b)
Beta Particles
c)
Gamma Rays
d)
Isotope
10.
Atoms of the same element that have different numbers of neutrons are _____________________.
a)
Mass Number
b)
Isotopes
c)
Nuclear Radiation
d)
Gamma Ray
11.
The total number of protons and neutrons in a nucleus is called _____________________.
a)
Atomic Number
b)
Mass Number
c)
Nuclear Number
d)
Isotope
12.
Where can you see fusion occur?
a)
Fusion power plants across the US
b)
Fission power plants across the world
c)
The Sun
d)
At the core of the earth
13.
The splitting of a nucleus into 2 smaller nuclei is called ____________________.
a)
Fission
b)
Fusion
c)
Isotope
d)
Mass Number
14.
The joining of 2 atoms to form one new big atom is called __________________.
a)
Fission
b)
Fusion
c)
Mass Number
d)
Isotope
15.
Which of the following is a disadvantage of nuclear power plants versus fossil fuel plants?
a)
Nuclear power plants produce greenhouse gases
b)
Nuclear power plants cost more to build
c)
Uranium is easy to find and refine
d)
Nuclear power plants cost less to run
16.
What is an advantage of nuclear power plants over fossil fuel plants?
a)
Nuclear power plants are cheaper to build
b)
Nuclear power plants cost more to run
c)
They have an unlimited fuel supply
d)
Nuclear power plants do not emit carbon dioxide
17.
In a nuclear reaction, why do the products have less mass than the reactants?
a)
Nuclear reactions break the law of conservation of mass
b)
Some mass disappears
c)
Some mass is converted into energy
d)
Some energy is converted into mass
18.
What is needed to start a nuclear fission reaction?
a)
Neutrons
b)
X rays
c)
Light
d)
Gases
19.
Which of the following is an example of a controlled nuclear chain reaction?
a)
Atomic Bomb
b)
Hydrogen Bomb
c)
Nuclear Power Plant
d)
Nuclear Tracers
20.
What is necessary for a fusion reaction to occur?
a)
temperatures less than 10,000,000 C
b)
temperatures more than 100,000,000 C
c)
temperatures less than 100,000,000 C
d)
temperatures less than 100,000 C
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