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Physics for IGCSE & O level - Forces And Energy (Section 6)

  • 1
    What is one of the main problems associated with nuclear power?
    Respondre
    (B)
    Creates radioactive waste
  • 2
    Where is energy stored in solids?
    Respondre
    (B)
    By motion of the particles.
  • 3
    What type of energy does a stretched rubber band possess?
    Respondre
    (B)
    Elastic energy
  • 4
    What problem is associated with the building of dams?
    Respondre
    (C)
    They flood the land
  • 5
    What is the main environmental issue associated with nuclear energy?
    Respondre
    (C)
    Radioactive waste disposal
  • 6
    Which of the following is NOT a form of potential energy?
    Respondre
    (C)
    Thermal
  • 7
    What is a potential issue with the use of geothermal energy?
    Respondre
    (C)
    Difficult drilling
  • 8
    How is work calculated?
    Respondre
    (D)
    Force x Distance
  • 9
    What type of energy is stored in food?
    Respondre
    (C)
    Chemical
  • 10
    What can you consider the benefits of the renewable energies?
    Respondre
    A
    C
  • 11
    What is an advantage of using renewable energy sources?
    Respondre
    (C)
    Reduced greenhouse gas emissions
  • 12
    What is the source of energy for Nuclear Power Stations?
    Respondre
    (C)
    Nuclear Fission
  • 13
    What is the fuel used in a nuclear power plant?
    Respondre
    (C)
    Uranium
  • 14
    What is the efficiency of an engine measured by?
    Respondre
    (D)
    The amount of energy converted to a useful form.
  • 15
    Which of the following is a source of renewable energy?
    Respondre
    (C)
    Solar
  • 16
    What type of energy is derived from the sun's rays?
    Respondre
    (B)
    Solar
  • 17
    What is the formula for kinetic energy?
    Respondre
    (B)
    KE=1/2mv^2
  • 18
    Which energy source relies on the movement of water?
    Respondre
    A
    B
    D
  • 19
    Which of the following are a part of thermal power station?
    Respondre
    A
    B
    C
    D
  • 20
    If an object is moving, what kind of energy does it possess?
    Respondre
    (B)
    Kinetic energy
  • 21
    Which source of energy is the basis for the production of biofuels?
    Respondre
    (D)
    Plants
  • 22
    What is one disadvantage of solar panels?
    Respondre
    (C)
    Needs a large area
  • 23
    What is the unit of energy?
    Respondre
    (C)
    Joule
  • 24
    Which of the following is a main advantage of solar energy?
    Respondre
    (C)
    Produces no pollution.
  • 25
    What is potential energy (PE)?
    Respondre
    (B)
    Energy stored by an object
  • 26
    When work is done, what is always transferred?
    Respondre
    (B)
    Energy
  • 27
    Which of the following best describes the law of conservation of energy?
    Respondre
    (D)
    Energy is neither created nor destroyed, but changes form.
  • 28
    Which of the following is an example of a renewable energy source?
    Respondre
    (C)
    Wind
  • 29
    What does work require?
    Respondre
    (A)
    A force making something move
  • 30
    What is the main process that leads to the global warming?
    Respondre
    (B)
    Greenhouse effect
  • 31
    Which of the following is a potential environmental risk related to nuclear power stations?
    Respondre
    (C)
    Radioactive waste
  • 32
    What percentage of energy in the USA is used by industry?
    Respondre
    (B)
    30%
  • 33
    Which energy resource is used to power wind turbines?
    Respondre
    (D)
    Wind
  • 34
    What is used to generate electricity in wind turbines?
    Respondre
    (C)
    The movement of air
  • 35
    What energy source is harnessed in tidal power stations?
    Respondre
    (C)
    Tides
  • 36
    Which is the main energy source on earth?
    Respondre
    (B)
    Sun
  • 37
    Which factor is NOT a problem associated with the use of fossil fuels?
    Respondre
    (C)
    They are renewable
  • 38
    How can you increase the potential energy of an object?
    Respondre
    (C)
    Increase the object's height
  • 39
    What type of energy is wave energy?
    Respondre
    (B)
    Kinetic energy
  • 40
    What transfers energy from a battery?
    Respondre
    (A)
    An electric motor
  • 41
    What is the formula for power?
    Respondre
    (A)
    Power = Work / Time
  • 42
    What is a problem associated with geothermal energy?
    Respondre
    (C)
    Difficult to drill
  • 43
    Which energy source depends on the Earth's internal heat?
    Respondre
    (C)
    Geothermal
  • 44
    Which factor is a problem associated with hydroelectric power?
    Respondre
    (B)
    They require a large land area
  • 45
    What type of energy does a battery have?
    Respondre
    (D)
    Chemical energy
  • 46
    What is the source of energy for tidal power?
    Respondre
    (B)
    The moon's gravity
  • 47
    What are engines and motors designed to do?
    Respondre
    (C)
    Make things move
  • 48
    What is the unit of work?
    Respondre
    (B)
    Joule
  • 49
    What is the kinetic energy of an object dependent on?
    Respondre
    A
    C
  • 50
    Which energy resource can be found in the ground, that can be extracted?
    Respondre
    (C)
    Natural Gas