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Worksheets

Science

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.
This particle determines what element you have - the elements identity.
a)
electron
b)
proton
c)
neutron
d)
valence shell
2.
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
3.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
4.

An isotope of an element has the same number of _________, but a different number of _________.

a)

Protons, electrons

b)

Protons, neutrons

c)

Electrons, neutrons

d)

Neutrons, protons

5.
What makes something radioactive?
a)
elements with an atomic number above 81
b)
an unstable nucleus
c)
contaminated sewage
d)
It decays over time
6.
_______________ is the process by which unstable atoms emit radiation until they become stable.
a)
Radiation
b)
Chemical Reaction
c)
Radioactive Decay
d)
Isotopes
7.
In order of most to least penetrating radiation we have
a)
Alpha , Beta,  Gamma
b)
Beta , Gamma , Alpha
c)
Gamma, Beta, Alpha
d)
Gamma, Alpha, Beta
8.
Negatively charged particles emitted from a nucleus at a high speed are ____ .
a)
protons
b)
neutrons
c)
electrons
d)
protons and neutrons
9.

Which type of radiation releases an electron?

a)

Alpha radiation

b)

Beta radiation

c)

Gamma radiation

d)

Theta radiation

10.

Which radiation is basically an electron?

a)

Alpha

b)

Beta

c)

Gamma

11.

Which radiation is high energy electromagnetic radiation?

a)

Alpha

b)

Beta

c)

Gamma

12.

Which radiation is two neutrons and two protons?

a)

Alpha

b)

Beta

c)

Gamma

13.

Which radiation is most strongly ionising (large charge)?

a)

Alpha

b)

Beta

c)

Gamma

14.

Which radiation penetrates through aluminium?

a)

Alpha

b)

Beta

c)

Gamma

15.

Which radiation is stopped by a few centimetres of air?

a)

Alpha

b)

Beta

c)

Gamma

16.

Which radiation is stopped by thin aluminium?

a)

Alpha

b)

Beta

c)

Gamma

17.

Which radiation is weakly ionising?

a)

Alpha

b)

Beta

c)

Gamma

18.

Which radiation is no deflected by an electric or magnetic field?

a)

Alpha

b)

Beta

c)

Gamma

19.

Which radiation can be used to measure the thickness of paper?

a)

Alpha

b)

Beta

c)

Gamma

20.

Which radiation can be used to treat some types of cancer?

a)

Alpha

b)

Beta

c)

Gamma

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