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CIE AS Particle Physics

Total questions: 54

Worksheet time: 36mins

Name
Class
Date
1.

All of the following are quarks except

a)

strange

b)

bottom

c)

charmed

d)

spark

2.
In the standard model, the particle considered to be an elementary particle is a(n)
a)
proton
b)
neutron
c)
electron
d)
alpha particle
3.
A proton is made up of two up quarks and one down quark with charges of +2/3, +2/3, and –1/3. 
a)
True 
b)
False
c)
More information is needed
4.

These are the category of hadrons that contain three quarks. This distinguishes them from mesons, which contain two (1 quark and 1 antiquark).

a)

Gluons

b)

Electrons

c)

Leptons

d)

Baryons

5.

These are the category of hadrons that contain three quarks. This distinguishes them from mesons, which contain two (1 quark and 1 antiquark).

a)

Gluons

b)

Electrons

c)

Leptons

d)

Baryons

6.

Which quarks form a neutron?

a)

up, up, down

b)

down, down, down

c)

up, up, up

d)

up, down, down

7.

Under the guidence of Rutherford, what particle did Geiger & Marsden fire at gold foil?

a)

Neutron

b)

Alpha

c)

Proton

d)

Electron

8.
Almost all of the mass of an atom is found in what part?
a)
The electron cloud
b)
The nucleus
c)
The protons
d)
The charge
9.
Protons and neutrons are made up of which fundamental particle?
a)
electrons
b)
quarks
c)
nutrinos
d)
none of the above
10.

Which row gives the correct classification of protons, electrons, and neutrinos?

a)

A

b)

B

c)

C

d)

D

11.

A nucleus of magnesium-23 undergoes β+ decay, as represented by the nuclear equation shown.

What is nucleus X?

a)
b)
c)
d)
12.

What are radiations X, Y and Z?

a)

X = alpha

Y = beta

Z = X-rays

b)

X = gamma

Y = alpha

Z = beta

c)

X = gamma

Y = beta

Z = alpha

d)

X = X-rays

Y = alpha

Z = beta

13.

What kind of force holds the nucleus together?

a)

Strong Nuclear Force

b)

Weak Nuclear Force

c)

Gravitational Force

d)

Electromagnetic Force

14.

Which type of radiation shown by X?

a)

alpha

b)

beta

c)

gamma

15.

Which type of radiation shown by P?

a)

alpha

b)

beta

c)

gamma

16.

Which word equation represents β- decay?

a)

neutron → proton + electron + electron antineutrino

b)

neutron → proton + electron + electron neutrino

c)

neutron → proton + positron + electron antineutrino

d)

neutron → proton + positron + electron neutrino

17.

What is a positron?

a)

A positively charged electron

b)

A small part of a proton

c)

A particle collider

18.

What Happens when Matter and Antimatter collide

a)

Nothing Happens

b)

They form a new substance

c)

It DOESNT release energy

d)

They Annihilate

19.

Which word equation represents β+ decay?

a)

proton → neutron + electron + electron antineutrino

b)

proton → neutron + electron + electron neutrino

c)

proton → neutron + positron + electron antineutrino

d)

proton → neutron + positron + electron neutrino

20.

The nuclear equation shown has a term missing.

What is represented by the missing term?

a)

a positron

b)

a neutrino

c)

an electron

d)

an antineutrino

21.

a)

a

b)

b

c)

c

d)

d

22.

a)

a

b)

b

c)

c

d)

d

23.

a)

a

b)

b

c)

c

d)

d

24.

a)

a

b)

b

c)

c

d)

d

25.
a)

a

b)

b

c)

c

d)

d

26.

a)

a

b)

b

c)

c

d)

d

27.
a)

a

b)

b

c)

c

d)

d

28.

a)

a

b)

b

c)

c

d)

d

29.
a)

a

b)

b

c)

c

d)

d

30.

a)

a

b)

b

c)

c

d)

d

31.

a)

a

b)

b

c)

c

d)

d

32.

a)

a

b)

b

c)

c

d)

d

33.

a)

a

b)

b

c)

c

d)

d

34.
In the standard model, the particle considered to be an elementary particle is a(n)
a)
proton
b)
neutron
c)
electron
d)
alpha particle
35.
The word "atom" means what?
a)
"indivisible"
b)
"Adam"
c)
"extremely small"
d)
"indestructible"
36.
All atoms consist of mostly empty space.
a)
True
b)
False
37.
Almost all of the mass of an atom is found in what part?
a)
The electron cloud
b)
The nucleus
c)
The protons
d)
The charge
38.
Which of the following is a fundamental particle of the universe?
a)
The proton
b)
The neutron
c)
The electron
d)
They all are fundamental particles
39.
Neutrinos have no charge, do not interact with matter, and are known as "God particles".
a)
True
b)
False
40.
Mass and energy are interrelated and this is shown with Einstein's equation, E=mc2
a)
True
b)
False
41.
All of the following are quarks except 
a)
strange
b)
bottom
c)
charmed
d)
fundamental
42.
A proton is made up of two up quarks and one down quark with charges of +2/3, +2/3, and –1/3. 
a)
True 
b)
False
c)
More information is needed
43.
In our universe, bosons carry forces, fermions make up matter. This was from the TedEd lesson.
a)
True
b)
False
44.
If the Higgs field did not exist, matter would not exist. 
a)
True
b)
False
45.
Neutrinos have no charge, do not interact with matter, and are known as "God particles".
a)
True
b)
False
46.

All of the following are quarks except

a)

strange

b)

bottom

c)

charmed

d)

spark

47.

These are light, elementary particles that are not made up of quarks.

a)

Gluons

b)

Electrons

c)

Leptons

d)

Baryon

48.

These are the category of hadrons that contain three quarks. This distinguishes them from mesons, which contain two (1 quark and 1 antiquark).

a)

Gluons

b)

Electrons

c)

Leptons

d)

Baryons

49.

There are three families of leptons;

a)

electron, muon, and pi.

b)

electron, muon, and tau.

c)

electron, pi and tau.

d)

electron, pi and neutrino.

50.

The main three conservation laws used in particle physics are:

a)

Conservation of charge, baryon and lepton numbers.

b)

Conservation of gravity, charge and lepton numbers.

c)

Conservation of momentum, hadron and lepton numbers.

d)

Conservation of charge, hadron and lepton numbers.

51.

Which quarks form a neutron?

a)

up, up, down

b)

down, down, down

c)

up, up, up

d)

up, down, down

52.

What is the standard model?

a)

It explains how particles interact. The model divides all matter into fermions (quarks and leptons) and bosons (exchange particles).

b)

It explains how atoms interact. The model divides all matter into fermions (quarks and leptons) and bosons (exchange particles).

c)

It explains how nuclei interact. The model divides all matter into fermions (quarks and leptons) and bosons (exchange particles).

d)

It explains how molecules interact. The model divides all matter into fermions (quarks and leptons) and bosons (exchange particles).

53.

Under the guidence of Rutherford, what particle did Geiger & Marsden fire at gold foil?

a)

Neutron

b)

Alpha

c)

Proton

d)

Electron

54.

In a particle decay, new particles move off in opposite directions to conserve...

a)

charge and kinetic energy

b)

momentum and charge

c)

momentum and quark number

d)

momentum and strangeness