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Physical Science Review

Quiz by Jennifer Lynn

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34 questions
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  • Q1
    Which statement best describes a relationship between electricity and magnetism?
    Changing magnetic fields can create electric currents.
    Electric currents can demagnetize permanent magnets. 

    Electric currents weaken magnetic fields. 
 

    There can be no magnetic fields without electric currents. 

    120s
  • Q2
    Which action will have the least effect on the strength of an electromagnet?
    changing the size of the metal core
    changing the current’s direction
    changing the number of wire loops
    changing the amount of current
    120s
  • Q3
    In a vacuum, radio waves, visible light and x-rays all have the same
    frequency
    energy
    wavelength
    speed
    120s
  • Q4
    Which is not true of mechanical waves?
    moves in the form of waves
    moves around corners
    does not require matter to carry energy
    uses matter to transfer energy
    120s
  • Q5
    According to the chart, which medium cannot transmit sounds?
    Question Image
    Water
    Vacuum
    Stone
    Air
    120s
  • Q6
    The picture shows what a straight pipe looks like in a container of water when viewed from the side. What is happening as light travels from the water into the air?
    Question Image
    Reflection
    Absorption
    Diffraction
    Refraction
    120s
  • Q7
    Which of the following is a difference between electromagnetic waves and mechanical waves?
    Electromagnetic waves transmit energy, and mechanical waves transmit information
    Electromagnetic waves can travel through a vacuum and mechanical waves require a medium
    Electromagnetic waves have only low frequencies and mechanical waves have only high frequencies
    Electromagnetic waves are always longitudinal and mechanical waves are always transverse
    120s
  • Q8
    To accelerate a 6 kg mass at 2 m/s2 requires a net force of________.
    12 N
    0.33 N
    6 N
    3 N
    120s
  • Q9
    Which of the following classifies wave X and Y?
    Question Image
    Both waves are transverse.
    Wave X is transverse and wave Y is longitudinal.
    Both waves are longitudinal.
    Wave X is longitudinal and wave Y is transverse.
    120s
  • Q10
    A falling object is said to reach terminal speed (velocity)….
    when it lands on the ground.
    when air resistance equals the force of gravity on it.
    when no air resistance is acting on it.
    when there is no gravitational force acting on it.
    120s
  • Q11
    A positively charged ball is placed an equal distance between two objects (1 and 2). In which case will the positively charged object move toward object 2?
    Question Image
    Answer A
    Answer B
    Answer C
    Answer D
    120s
  • Q12
    Both light bulbs are lit in the circuit above. In order to turn off both lights, a switch must be installed in the circuit at the place marked _________.
    Question Image
    2
    1
    4
    3
    120s
  • Q13
    In the figure above, in order to turn on the light, a piece of wire needs to be connected from ___.
    Question Image
    C to D
    B to C
    A to C
    A to D
    120s
  • Q14
    Which of the following is shown in the above diagram?
    Question Image
    Alternating current
    Short circuit
    Series circuit
    Parallel circuit
    120s
  • Q15
    The following is an example of static electricity:
    A light switch that is turned on runs a ceiling fan.
    A dry-cell battery is connected to wires light up a light bulb.
    A balloon sticks to a wall after it is rubbed with a piece of wool.
    A magnet sticks to a refrigerator door made of metal.
    120s

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