Term 3 - Quiz 1- 2011 / 2012
Grade
12
Date
3/5/2012
Cluster
Engineering Science - Energy
Time
7.30 - 8.15
Subject
Nuclear Energy Fundamentals
Duration
45 Min
Student Name
Student Number
Section
Q1: Choose the most correct answer and put a circle around the corresponding
letter a, b, c, or d.
Question
1
2
3
4
5
6
7
Answer
1. Which of these is not a natural source of radiation?.
a. Food and drink
b. Medical X-rays
c. Cosmic rays
d. Rocks
2. All matter is made up of _______________.
a. atoms
b. elements
c. molecules
d. compounds.
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8
9
10
3. The number of ________________ inside the nucleus is called the atomic number.
a. protons
b. neutrons
c. electrons
d. nucleus
4. The number of protons and _______________ are always equal in a neutral atom.
a. protons
b. neutrons
c. electrons
d. nucleus
5. The ___________ number is the number of protons and neutrons.
a. atomic
b. mass
c. electron
d. nucleus
6. _________________ is the name of the scientist who performed the Gold Foil
experiment.
a. Thomson
b. Dalton
c. Rutherford
d. Aristotle.
7. __________________ have the same atomic number but different mass number.
a. Atoms
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b. Elements
c. Isotopes
d. chemicals.
8. What sort of reaction has happened when hydrogen atoms become a helium
atom
a. Chemical reaction.
b. Ionic reaction.
c. Nuclear reaction.
d. None of the above.
9. What does not happen when a nucleus splits?
a. Nuclear fusion
b. Radiation is released
c. New nuclei are formed
d. New elements are formed
10. Given the diagram representing a reaction. Which phrase best describes this type
of reaction and the overall energy change that occurs?
a. Nuclear, and energy is released
b. Chemical, and energy is released
c. Chemical, and energy is absorbed
d. Nuclear, and energy is absorbed
Q2: Referring to the picture of Rutherford’s Gold Foil experiment shown below, write
down Rutherford’s observations and conclusions? Use the table below to write your
answers.
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Observation
Conclusion
______________________________
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______________________________
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______________________________
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______________________________
______________________________
______________________________
a. Explain Radioactive decay of carbon -14.
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Q3:
Refe
rring
to
the
figur
e
sho
wn,
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b. What is meant by the substance’s half –life?
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Q4: Name the following diagram and the indicated parts. Select your answers from the list
provided below.
Hot coolant out
Cold coolant in
Nuclear fuel
Movable control rod
Reactor vessel
Graphite core
Concrete shield
Nuclear reactor
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1
2
7
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3
4
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a. The diagram name is: ________________________________________
b. Fill in the indicated parts. Write your answers in the table below.
Number
Name (select from the list)
1
2
3
4
5
6
7
Q5:
Given the following reaction:
a) State the type of the above reaction.
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__________________________________________________________
b) Describe the reaction.
__________________________________________________________
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c) State two disadvantages of utilizing the heat generated by this reaction in electrical
power generation.
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