14 questions
Which is not a part of an atom's nucleus?
neutron
proton
electron
all are part of the nucleus
List the types of radiation from most to least penetrating.
Alpha , Beta, Gamma
Beta , Gamma , Alpha
Gamma, Beta, Alpha
Gamma, Alpha, Beta
The splitting of a nucleus into smaller nuclei.
fusion
fission
half-life
gamma radiation
Combining nuclei into a larger nucleus.
fission
fusion
half-life
radiation
The time taken for half of an amount of radioactive atoms to decay.
fusion
full-life
fission
half-life
The nuclear process occurring at a nuclear power plant.
fusion
fission
combustion
the dab
Which of the following is a disadvantage of nuclear energy as a power source?
nuclear energy produces less energy than the burning coal
nuclear energy produces air pollution
nuclear waste must be safely stored
the fuel source is very limited
Which produces more energy--nuclear fission or nuclear fusion?
fusion
fssion
they produce the same amount
it depends on the elements used
What does it mean when an element is radioactive?
atom emits radiation
the nuclei are unstable due to uneven proton to neutron ratio
nuclei changed to become more stable
all of the above
Complete the sentence: As time passes the level of radiation produced by a radioactive material...
decreases
increases
remains constant
What sort of shield will block gamma rays?
skin/paper
aluminum
thick lead/concrete
all of the above
What sort of shield will block alpha radiation?
skin/paper
aluminum
thick lead/concrete
all of the above
The nuclear process that happens in stars.
fusion
fission
combustion
drop it like its hot