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SPS4 Nuclear Structure

Total questions: 42

Worksheet time: 46mins

Name
Class
Date
1.
Where does radioactivity have application in our lives?
a)
Medicine
b)
Energy (electricity)
c)
Agriculture
d)
All of the above
2.
The rate at which a radioactive element decays is its ____.
a)
quarter life
b)
whole life
c)
wonderful life 
d)
half life
3.
Energy in the sun is produced as a result of nuclear ____ reactions.
a)
fusion
b)
fission
c)
waste
d)
sub
4.
In a nuclear reactor, electricity is produced from what element?
a)
Plutonium
b)
Uranium 235
c)
Radon 220
d)
Lead 232
5.
Neutrons released in a fission reaction can strike other nuclei and cause a 
a)
meltdown
b)
take down
c)
break down
d)
chain reaction
6.
Both a fusion reaction and a fission reaction produce 
a)
heat (energy)
b)
light
c)
sound
d)
magnetism
7.
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
8.
The process by which nuclei having small masses are united to form a single larger nucleus is called nuclear ____.
a)
fusion
b)
fission
c)
reactivity
d)
waste
9.
Name the instrument used to detect radioactivity.
a)
voltmeter
b)
ohmeter
c)
seismograph
d)
geiger counter
10.
Name the type of radioactive particle that can be stopped by a sheet of paper.
a)
alpha
b)
beta
c)
gamma
d)
lambda
11.
Name the most penetrating type of radiation.
a)
alpha
b)
beta
c)
gamma
d)
lambda
12.
What makes something radioactive?
a)
elements with an atomic number above 81
b)
an unstable nucleus
c)
contaminated sewage
d)
It decays over time
13.
If the half life of a radioactive element is 100yrs, how long would it take for the radioactivity to reduce by one half?
a)
200yrs
b)
100yrs
c)
50yrs
d)
300yrs
14.
What is nuclear fission?
a)
Big nucleus splits to small nuclei
b)
Small nuclei fuse into a bigger nucleus
c)
Stars
d)
Making compounds
15.
Barium-122 has a half-life of 2 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)
2.5g
c)
25g
d)
80g
16.
How do nuclear power-plants work?
a)
Fusion
b)
Half-life
c)
Fission
d)
Fusion or fission
17.
The half-life of strontium-90 is 25 years. How much strontium-90 will remain after 100 years if the initial amount is 4.0 g?
a)
3.0g
b)
0.25mg
c)
0.3g
d)
0.25g
18.
After the third half-life, how much of the sample is left?
a)
1/2
b)
1/3
c)
1/16
d)
1/8
19.
Who discovered radioactivity?
a)
Henri Becquerel
b)
Marie Curie
c)
Ernest Rutherford
d)
Albert Einstein
20.
Who won not one but two Nobel prizes for work on radioactivity?
a)
Becquerel
b)
Curie
c)
Rutherford
d)
Einstein
21.
_______________ is the process by which unstable atoms emit radiation until they become stable.
a)
Radiation
b)
Chemical Reaction
c)
Radioactive Decay
d)
Isotopes
22.
Marie Curie was the first woman to win a...
a)
Golden Globe
b)
Nobel Prize
c)
Oscar
d)
 Emmy Award
23.
A benefit to using nuclear fission power is that it:
a)
supplies a lot of electricity
b)
conserves organic fuels, like oil, coal, and wood
c)
eliminates huge quantities of sulfur dioxides, which pollute our air
d)
all of the choices
24.
The half life of a radioactive substance:
a)
increases with time
b)
increases then decreases with time
c)
decreases with time
d)
stays the same with time
25.
Energy obtained from this process powers nuclear submarines and aircraft carriers
a)
Fission
b)
Fusion
c)
Radioactive decay
d)
Diesel Fuel
26.
what's the half life of this substance?
a)
1 day
b)
2 days
c)
3 days
d)
4 days
27.
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
28.
___________ Is the use of radioactivity in agriculture to sterilize food. 
a)
Pasteurization
b)
Irradiation
c)
Fission
d)
Decay
29.

More and more countries are turning toward utilizing nuclear power plants to generate electricity, as the supply of fossil fuels continues to decrease. Which of the following is an advantage of using nuclear power instead of power generated from burning fossil fuels?

a)

nuclear power plants generate less air pollution

b)

nuclear power plants are easier to build and require fewer safety precautions

c)

fossil fuels are at a higher risk for theft than nuclear fuels

d)

accidents at fossil fuel plants are more catastrophic than those at a nuclear plant

30.

In a fusion reaction, two atoms of hydrogen combine to form

a)

1 atom of hydrogen and 1 atom of lithium.

b)

1 atom of helium.

c)

2 atoms of helium.

d)

None of the above

31.

What is one way in which fission differs from fusion?

a)

Fission deals with the nucleus, fusion pertains to the electrons. 

b)

Fission releases energy, fusion absorbs energy.

c)

Fission is not a radioactive process, fusion is radioactive. 

d)

Fission splits nuclei, fusion combines nuclei.

32.
Which particles make up the nucleus of an atom?
a)
protons and neutrons
b)
electrons and protons
c)
electrons, protons, and neutrons
d)
electrons and neutrons
33.

A radioactive nuclide has a ____ stable nucleus than a non-radioactive nucleus of the same element.

a)

more

b)

less

c)

identical

d)

small

34.

Marie and her husband examined ....... and other elements to decide if they are radioactive.

a)

gold

b)

silver

c)

uranium

d)

copper

35.

Marie and Pierre Curie won a Nobel Prize in ....... in 1903.

a)

Maths

b)

Physics

c)

Chemistry

d)

Biology

36.

In 1911, Marie herself won a Nobel Prize in ..... .

a)

Chemistry

b)

Physics

c)

Maths

d)

Biology

37.

Marie Curie was the first woman ever to ..... .

a)

get a Nobel Prize

b)

to study at the university.

c)

to get her Master's degree in Physics.

d)

to study Maths.

38.
Energy in the sun is produced as a result of nuclear ____ reactions.
a)
fusion
b)
fission
c)
waste
d)
sub
39.
Nuclear Power's source comes from _________________.
a)
Uranium or Plutonium
b)
Coal
c)
Natural Gas
d)
Oil and/or Coal
40.
The worst nuclear disaster to happen in the United States happened at ________________________  which is located in PA.
a)
Three Mile Island Nuclear Facility
b)
Babcock Nuclear Facility
c)
Mesa Verde Nuclear Facility
d)
Perry Nuclear Facility
41.
What product does a nuclear power plant produce for its customers?
a)
electricity
b)
a turbine
c)
hot water
d)
steam
42.

We use the energy stored in the nucleus of an atom by converting it to ______________, which can then be used to generate electricity.

a)

potential energy

b)

thermal energy

c)

mechanical energy

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