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#GLOWUP MALAYSIA

Total questions: 20

Worksheet time: 12mins

Name
Class
Date
1.
Nuclear power uses ____ for fuel.
a)
steel
b)
coal
c)
uranium
d)
hydrogen
2.
Nuclear energy uses _____ to turn turbines to power a generator.
a)
wind
b)
water
c)
steam
d)
solar
3.
Splitting a uranium atom is called - 
a)
fission
b)
fusion
4.
Energy is stored in the ___ of an atom.
a)
proton
b)
neutron
c)
electron cloud
d)
nucleus
5.
Uranium is found in 
a)
the sun
b)
hydrogen
c)
rocks in the ground
d)
xrays
6.
What is an advantage  of nuclear energy?
a)
radioactive waste
b)
no pollution
c)
we will never run out
d)
it is the safest way to make energy
7.
Uranium pellets are an example of ___ energy.
a)
chemical
b)
mechanical
c)
electrical
d)
radiant
8.

Spent nuclear fuel (already used) is stored at -

a)

a landfill

b)

on site at the nuclear power plant

c)

a repository

9.

Gamma radiation is widely used to sterilise consumer cosmetics, such as hair products and contact lens solutions, and to remove foreign bodies such as allergens.

a)

TRUE

b)

FALSE

10.

Radioactive materials are used to inspect pipes across a range of industries. New oil and gas pipeline systems are checked by ...

a)

placing the radioactive source outside the pipe and the film inside

b)

placing the radioactive source inside the pipe and the film outside

11.

Analysing the relative abundance of particular naturally-occurring radioisotopes is of vital importance in determining the age of rocks and other materials that are of interest to ......

a)

geologists, anthropologists, hydrologists, and archaeologists

b)

materials engineer, materials technician, medical physicist, meteorologist.

12.

Many people are aware of the wide use of radiation and radioisotopes in medicine particularly for diagnosis (identification) and therapy (treatment) of various medical conditions. In developed countries about one person in ......... uses diagnostic nuclear medicine each year.

a)

50

b)

80

c)

100

d)

200

13.

Radiation is used to control insect populations via the Sterile Insect Technique (SIT). SIT involves rearing large populations of insects that are sterilised through irradiation (gamma or X-rays), and introducing them into natural populations. SIT was first developed in the USA and has been used successfully for more than ....... years.

a)

30

b)

40

c)

50

d)

60

14.

Radioactive iodine (I-131) is used in small amounts to treat cancer and other conditions affecting the ......... gland.

a)

pituitary

b)

adrenal

c)

thyroid

d)

pancreas

15.

The United Nations (UN) Food and Agriculture Organisation (FAO) estimates that about ............. million people (one in nine) were suffering from chronic undernourishment in 2014-16. Radioisotopes and radiation used in food and agriculture are helping to reduce these figures.

a)

7

b)

70

c)

79

d)

795

16.

The function of many common consumer products is dependent on the use of small amounts of radioactive material. Smoke detectors, watches & clocks, and non-stick materials, among others, all utilise the natural properties of radioisotopes in their design.

a)

TRUE

b)

FALSE

17.

Hospitals use ............. radiation to sterilise medical products and supplies such as syringes, gloves, clothing, and instruments that would otherwise be damaged by heat sterilisation.

a)

ALPHA

b)

BETA

c)

GAMMA

d)

OMEGA

18.

Food irradiation is the process of exposing foodstuffs to ......... rays to kill bacteria that can cause food-borne disease, and to increase shelf-life.

a)

ALPHA

b)

BETA

c)

GAMMA

d)

OMEGA

19.

The first power station to produce electricity by using heat from the splitting of uranium atoms began operating in the ..........

a)

1954

b)

1964

c)

1974

d)

1984

20.

The first practical application of a radioisotope was made by a Hungarian man named George de Hevesy in .....

a)

1911

b)

1921

c)

1931

d)

1941