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12 questions
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  • Q1
    How does energy change form?
    In a fan, thermal energy changes into mechanical energy.
    In an iron, mechanical energy becomes thermal energy.
    In a lamp, light energy changes into electrical energy.
    In a television, electrical energy changes into mechanical energy
    60s
  • Q2
    What form of energy cooks s'mores in a solar oven?
    thermal energy
    electrical energy
    mechanical energy
    light energy
    60s
  • Q3
    When using a toaster to heat bread, which forms of energy are present?
    electrical only
    electrical, mechanical, and thermal
    mechanical and thermal
    electrical and mechanical
    60s
  • Q4
    Which of the following statements about light energy and sound energy is true?
    Both light and sound energy are produced by vibrations.
    Neither light nor sound can travel through empty space.
    Light can travel through empty space, but sound does not travel through empty space.
    Light travels in waves, but sound does not travel in waves.
    60s
  • Q5
    Which of the following includes the best materials for creating a wire that will help electricity flow through a circuit and protect people from heat and electricity?
    a copper wire with gold wrapped around it
    a rubber wire with copper wrapped around it
    a copper wire with plastic wrapped around it
    a plastic wire with copper wrapped around it
    60s
  • Q6
    Four thermoses were filled with 500 ml of hot tea. Students recorded the temperature of the tea at the start of the investigation and one hour later. Based on the data below, which thermos best insulated the hot tea?
    Question Image
    Thermos 4
    Thermos 1
    Thermos 2
    Thermos 3
    60s
  • Q7
    A teacher has a pot of boiling water and a wooden spoon, a plastic spoon, a metal spoon, and a glass spoon. If the four spoons of different materials were placed in a pot of boiling water, which spoon's handle would heat up the fastest?
    the wooden spoon
    the glass spoon
    the metal spoon
    the plastic spoon
    60s
  • Q8
    Which object would allow the light bulb to light if placed between the battery and wire?
    Question Image
    iron nail
    rubber band
    crayon
    plastic spoon
    60s
  • Q9
    Which of the following diagrams shows a closed circuit?
    Answer Image
    Answer Image
    Answer Image
    60s
  • Q10
    A student created the closed circuit shown in the image. All light bulbs are lit. Which light bulb(s) would remain lit if Wire Z was removed?
    Question Image
    Bulbs W, X, and Y
    Bulb Y
    Bulbs W and X
    Bulb X and Y
    60s
  • Q11
    Why does a light turn off when you flip a light switch?
    The bulb is broken so current cannot flow through the circuit.
    Electrical current cannot flow through a closed circuit.
    Electrical current flows through an open circuit.
    Electrical current cannot flow through an open circuit.
    60s
  • Q12
    Which of the following is true about this circuit that contains wires, a battery, and a buzzer?
    Question Image
    The battery is the energy source for the circuit. The buzzer is the output device.
    The buzzer is the energy source for the circuit. The battery is the output device.
    The battery is the energy source for the circuit. The wires do not allow energy to flow through.
    The wire is the path for energy to flow. The buzzer is the energy source for the circuit.
    60s

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