Fundamental Particles

1.

Multiple Choice

20 sec

1 pt

In the standard model, the particle considered to be an elementary particle is a(n)

proton

neutron

electron

alpha particle

2.

Multiple Choice

20 sec

1 pt

Which one of the following parts of the atom is the smallest?

nucleus

electron

quark

3.

Multiple Choice

20 sec

1 pt

What is a proton made up of ?

two up quarks and one down quark

two charm quarks and three strange quarks

one top quark and two bottom quarks

it is indivisible

4.

Multiple Choice

20 sec

1 pt

What is a neutron made up of?

it is indivisible

two down quarks and one up quark

one strange quark and two charm quarks

no up quarks and one down quark

5.

Multiple Choice

20 sec

1 pt

What is a electron made up of?

it is indivisible

three up quarks and one down quark

no down quarks and one up quark

three strange quarks and one charm quark

6.

Multiple Choice

20 sec

1 pt

Often seen with the up quark, its partner in the "first generation of matter", the down quark is slightly heavier and just as fun. In terms of e (the charge of a proton), what is the electric charge of a down quark?

+2/3 e

-e

+e

-1/3 e

7.

Multiple Choice

20 sec

1 pt

The relative mass of a proton/neutron is.....

0

1

2

3

8.

Multiple Choice

20 sec

1 pt

Why is a neutrino so difficult to detect?

It travels at velocities faster than the speed of light

It has no electrical charge, so it does not affect nearby particles

It doesn't really exist

It has an electrical charge of (−1) and plays an active role in chemical reactions.

9.

Multiple Choice

20 sec

1 pt

The anti-particle of the electron is known as

Anti-leptons

positrons

hadrons

fermions

10.

Multiple Choice

20 sec

1 pt

Electrons and neutrinos are known as the family of ___

Leptons

Hadrons

Fermions

Baryons

11.

Multiple Choice

20 sec

1 pt

Which of the following typically poses the biggest health threat to humans?

alpha particles

beta particles

gamma rays

they all pose threats. It depends on the situation in question.

12.

Multiple Choice

20 sec

1 pt

The four fundamental forces of nature are:

Electromagnetism, Gravity, Strong Nuclear, Weak Nuclear

Gravity, Strong Nuclear, Weak Nuclear, Medium Nuclear

Normal Force, Force due to gravity, Magnetism, Nuclear

Nuclear, Electricity, Gravity, Atomic

13.

Multiple Choice

20 sec

1 pt

Rank the four fundamental forces of nature in order from weakest to strongest:

Electromagnetism, Gravity, Strong Nuclear, Weak Nuclear

Weak Nuclear, Gravity, Electromagnetism, Strong Nuclear

Gravity, Weak Nuclear, Electromagnetism, Strong Nuclear

Weak Nuclear, Electromagnetism, Gravity, Strong Nuclear

14.

Multiple Choice

20 sec

1 pt

What are hadrons made of?

quarks

protons and neutrons

electrons, muons, and taos

Fermions

15.

Multiple Choice

20 sec

1 pt

Baryons are

a type of hadron that is made of three quarks.

a type of meson that is made of two quarks.

a type of lepton like the electron and muon

atoms.

16.

Multiple Choice

20 sec

1 pt

What combination of quarks make up a proton?

up, up, down

down, down, up

top, top, bottom

strange, top, up

17.

Multiple Choice

20 sec

1 pt

What combination of quarks makes up a neutron?

up, up, down

down, down, up

top, top, bottom

strange, charm, top

18.

Multiple Choice

20 sec

1 pt

What is the most famous lepton?

muon

up quark

proton

electron

19.

Multiple Choice

20 sec

1 pt

What exchange particle is responsible for giving fundamental particles mass?

photon

gluon

Z-Boson

Higgs Boson

20.

Multiple Choice

20 sec

1 pt

What happens when a particle meets its anti-particle?

annihilation of both particles

They combined to form a quark

They combined and form matter.

The repel and move away.

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