Radiation
Exposure
Nuclear Particles
Particle Accelerators
Nuclear Power
100
What is Radiation?
A process in which energetic particles or waves go through a medium or space
100
How do we avoid exposure?
ALARA
100
Name the parts of an atom
Proton, Neutron, Electron
100
Particle Accelerators are also called what?
Atom smashers
100
Name 3 out of the 5 major energy types that the United States consumes
Petroleum, Natural Gas, Nuclear, Coal, Renewable (solar, wind, geothermal, etc)
200
What are the two types of radiation?
Ionizing and Non-Ionizing
200
True or False: Exposure levels are dependent on geography
True
200
What is an isotope?
Atoms that contain the same number of protons but a different number of neutrons
200
What does a Particle Accelerator do?
Utilizes electromagnetic fields to propel charged particles to high speeds and contains them in beams.
200
How many Nuclear Power Plants are operating in the United States?
54 plants, 94 total units
300
True or False (Must answer both correct). You are exposed to radiation everyday. All radiation results in contamination.
You are exposed to radiation everyday (True).
All radiation results in contamination (False).
300
What do we use to tell others that radioactive material is being used? Draw it
300
What is the process of converting an atom or molecule into an ion by adding or removing charge particles such as electrons or other ions
Ionization
300
What are the two types of particle Accelerators?
Electrostatic and Oscillating Field Accelerators.
300
What percentage of the world's global nuclear power supply does the United States produce?
30%
400
Name one source from Earth, one source from space, and one source in the atmosphere
Earth: Food, Water, Building materials, etc..
Space: Cosmic Rays
Atmosphere: Uranium in Earths crust
400
Define ALARA including the definition and what the letters stand for
As Low As Reasonably Achievable: All use of radiation and radioactive materials must limit exposure to public and works as low as reasonably achievable.
400
What is the process by which an atomic nucleus of an unstable atom loses energy by emitting ionizing particles?
Radioactive Decay
400
Name one of the particle accelerators mentioned in slides
Tevatron, LHC, Stanford,
400
What percentage of nuclear power do we use for energy in the US?
8%
500
What is the public limit of radiation (per year)?
1 mSv/yr
500
Name two ways to accomplish ALARA
Time, Distance, Shielding, Source
500
What is a Quark?
Elementary particle and fundamental constituent of matter
500
Who said that particle accelerators were the closest things we have to time machines?
Stephen Hawking
500
What is the name of the nuclear reactor on Purdue's campus
PUR-1