Fundamental Forces
Down by a half
Nucleon Power
In the past
Particles all the way down!
100
This is what holds the nucleus of an atom together.
What is the Strong Nuclear Force?
100

Every element larger than lead has one of these.

What is half-life?

100

This is the type of reactor that Prairie Island's Nuclear Generating Plant uses.

What is a pressurized water reactor?

100
This particle was discovered by JJ Thomson with his famous Cathode Ray Experiment.
What is an electron?
100
This particle is the opposite particle of an electron.
What is a positron?
200
This force is what causes atoms to decay.
What is Weak Nuclear Force?
200

Due to it's short half life, this meta-stable isotope must be constantly produced for use in radiotherapy.

What is Technetium?

200

These important materials slow down neutrons to cause chain reactions in nuclear reactors.

What is a moderator?

200

This scientist determined that electrons exist in stable quantitized energy levels, and change energy levels by disappearing and simultaneously reappearing in the energy level above or below the previous one.

Who is Niels Bohr?

200

This particle is always emitted with Beta decay.

What is a neutrino?

300

When Strong Nuclear Force is utilized to generate electrical energy, it is through this process.

What is Nuclear Fission?

300

This isotope, useful to prevent conflagration, has a half life of 432 years.

What is Americium 241?

300

This measure of a nucleons relative stability can also explain how much energy is released in a nuclear reaction.

What is binding energy per nucleon?

300

Ernest Rutherford's graduate students who experimentally determined the atom had a dense positive core by bombarding gold with alpha particles.

Who are Hans Gieger and Ernest Marsden?

300

Alpha particles are released in a nuclear reaction, they are colloquially known as this particle.

What is the nucleus of a Helium atom?

400

This force mediator is the only gauge boson to with a charge.

What is W boson?

400

Given this element's lengthy half life, our planet is only down by one half.

What is Uranium 238?

400

During this multi-step process happening in the Sun right now, the smallest nucleons are built into larger ones.

What is the proton-proton chain?

400

This Jewish woman had to flee her laboratory in 1938 but still distance learning style discovered and named fission. Excluded from the Nobel Prize, atom 109 was posthumously named for her.

Who is Lise Mietner?

400

These were discovered in 1968 through deep inelastic scatter.

What are quarks?

500

The direction of the magnetic field needed to push cathode rays in a CRT TV to the right.

What is up?

500

Over the course of nine half lives only this much of the original isotope is remaining.

What is 1/512th?

500

These special values help explain why some elements and isotopes are more stable than others.

What are magic numbers?

500

Previously Uranium was used to create these brightly colored celebratory dishes.

What is Fiesta ware?

500

When a particle and its' antiparticle come into contact, this type of event occurs, releasing inordinately high amounts of energy.

What is an annihilation event?

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