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Chapter 21 Section 3 and 4

Quiz by Tony McCutchan

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10 questions
Show answers
  • Q1
    Why can a radioactive material affect photographic film even though the film is well wrapped in black paper?
    Question Image
    Nuclear radiation is visible light
    Radiation studied photography and knows how to manipulate it.
    Beta or gamma rays can penetrate paper
    Alpha particles can penetrate paper
    60s
  • Q2
    How does the penetrating ability of gamma rays compare with that of alpha particles and beta particles
    Question Image
    Gamma > Beta > Alpha
    Alpha > Beta > Gamma
    Gamma > Alpha > Beta
    Beta > Alpha > Gamma
    60s
  • Q3
    How does nuclear radiation damage biological tissue?
    Question Image
    It damages only the DNA of living creatures
    Because it smells extremely bad
    It can ionize the atoms and molecules in any tissue in the body
    Because it damages only the brain in living beings
    60s
  • Q4
    Explain how film badges, Geiger-Muller counters, and scintillation detectors are used to detect radiation and measure radiation exposure
    Question Image
    Film badges use visible light, geiger counters use scintillating light and scintillation detectors use electric pulses from gas
    Geiger uses exposure of film, film badges uses scintillating light and scintillation counters count electric-pulses from gas.
    Because they are magical items
    Film badges use exposure of film, Geiger uses electric pulses from gas, scintillation counters uses scintillating light
    60s
  • Q5
    How is the age of an object that contains a radioactive nuclide estimated?
    Question Image
    We cannot even approximate the date of older objects because radio-dating knowledge is incomplete
    By giving it to Bob, who knows a lot about these things
    By measuring the accumulation of a daughter nuclide or the disappearance of a parent nuclide and then comparing its concentration compared to its half-life
    By looking for a radio-isotope and then the objects age will be the nuclides half-life
    60s
  • Q6
    How is the fission of uranium-235 nucleus induced?
    Question Image
    by bombarding the nucleus with protons
    By using a special chemical called pitocin
    by bombarding the nucleus with slow neutrons
    by bombarding the nucleus with gamma rays
    60s
  • Q7
    How does the fission of uranium-235 produce a chain reaction
    Question Image
    When protons are absorbed by uranium-235, the atom splits and emits more neutrons than were absorbed.  These neutrons bombard more uranium atoms, and the process continues
    When gamma rays are absorbed by uranium-235, the atom splits and emits more neutrons than were absorbed.  These neutrons bombard more uranium atoms, and the process continues
    Through magical mantras
    When slow neutrons are absorbed by uranium-235, the atom splits and emits more neutrons than were absorbed.  These neutrons bombard more uranium atoms, and the process continues
    120s
  • Q8
    Describe the purposes of the five major components of a nuclear power plant.
    Question Image
    Fuel contains fissile material, coolant absorbs energy as heat, moderator slows neutrons produced by fission, shielding keeps radiation from escaping and control rods absorb free neutrons
    Control rods contains fissile material, moderator absorbs energy as heat, coolant slows neutrons produced by fission, fuel keeps radiation from escaping and shielding absorb free neutrons
    Coolant contains fissile material, fuel absorbs energy as heat, shielding slows neutrons produced by fission, moderator keeps radiation from escaping and control rods absorb free neutrons
    Bathroom used to eliminate waste, break-room used to eat lunch, smoke-stacks used to make pretty clouds, parking lot used to hold lunch-time nap apparatti, time-clock used to keep track of the employees
    120s
  • Q9
    What is one problem that must be overcome before controlled fusion reactions that produce energy are a reality?
    Question Image
    because a large amount of energy is required to start the reaction, more energy must be gotten out than put into the reaction
    No known material can withstand the initial temperatures
    The fear of anything with the word nuclear
    All of these things must be overcome
    60s
  • Q10
    Describe the reaction that produces the sun's energy
    Question Image
    Hydrogen nuclei combine at an extremely high temperature and pressure to form a helium nucleus with loss of mass and the resulting release of energy
    Through normal chemical reactions.
    People at the center of the sun are happy people. Their smiles light up the universe.
    Slow neutrons are absorbed by uranium-235, the atom splits and emits more neutrons than were absorbed. These neutrons bombard more uranium atoms and the process continues.
    60s

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