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WorksheetsFundamental Particles
Total questions: 20
Worksheet time: 7mins
Which one of the following parts of the atom is the smallest?
nucleus
electron
quark
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
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.
The anti-particle of the electron is known as
Anti-leptons
positrons
hadrons
fermions
Electrons and neutrinos are known as the family of ___
Leptons
Hadrons
Fermions
Baryons
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.
What are hadrons made of?
quarks
protons and neutrons
electrons, muons, and taos
Fermions
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.
What combination of quarks make up a proton?
up, up, down
down, down, up
top, top, bottom
strange, top, up
What combination of quarks makes up a neutron?
up, up, down
down, down, up
top, top, bottom
strange, charm, top
What is the most famous lepton?
muon
up quark
proton
electron
What exchange particle is responsible for giving fundamental particles mass?
photon
gluon
Z-Boson
Higgs Boson
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.
