4th Grade: Electricity And Magnetism Test! Trivia Quiz

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    A complete path through which electricity flows is a(n)

    • Circuit
    • Series
    • Cell
    • Fuse
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About This Quiz


Ever wondered how much is expected from you to know about electricity and magnetism as a fourth-grader? Electricity and magnetism are two related items produced by an electromagnetic influence. A shifting electric charge produces a magnetic field, which incites electric charge movement, which creates an electric current. You must know the answers to what lightning a discharge of is and the complete path through which energy flows. You must take this energizing quiz.

4th Grade: Electricity And Magnetism Test! Trivia Quiz - Quiz

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  • 2. 

    A crane in a junkyard can separate iron and steel from paper using a(n)

    • Generator

    • Volt

    • Electromagnet

    • Transformer

    Correct Answer
    A. Electromagnet
    Explanation
    An electromagnet can be used in a crane in a junkyard to separate iron and steel from paper. When an electric current is passed through the coils of the electromagnet, it creates a magnetic field. The magnetic field attracts the iron and steel materials, allowing them to be separated from the paper. This is possible because iron and steel are magnetic materials, while paper is not. The electromagnet provides a temporary magnetic force that can be controlled and turned on/off as needed for the separation process.

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  • 3. 

    A magnet’s pull is strongest at its

    • Volt

    • Poles

    • Field

    • Generator

    Correct Answer
    A. Poles
    Explanation
    A magnet's pull is strongest at its poles because the magnetic field lines are concentrated and closer together at the poles. This means that the magnetic force exerted by the magnet is stronger at the poles compared to other parts of the magnet. The poles are the regions where the magnetic field lines emerge (north pole) or converge (south pole), resulting in a stronger magnetic force.

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  • 4. 

    A balloon sticks to a wall after being rubbed on a sweater because of

    • Magnetism

    • Static electricity

    • Mechanical energy

    • Chemical energy

    Correct Answer
    A. Static electricity
    Explanation
    When a balloon is rubbed on a sweater, it gains a static electric charge. The friction between the balloon and the sweater causes the transfer of electrons, resulting in an excess of negative charge on the balloon. This creates an imbalance of charges, with the balloon becoming negatively charged and the wall becoming positively charged. Opposite charges attract each other, causing the balloon to stick to the wall. This phenomenon is known as static electricity, where electric charges build up on the surface of an object and can cause attractive or repulsive forces between objects.

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  • 5. 

    A material electricity flows through easily is a(n)

    • Insulator

    • Fuse

    • Conductor

    • Resistor

    Correct Answer
    A. Conductor
    Explanation
    A material that electricity flows through easily is called a conductor. Conductors have a high number of free electrons that can move freely within the material, allowing electric current to flow easily. Examples of conductors include metals like copper and aluminum.

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  • 6. 

    A unit for measuring the force that makes negative charges flow is called a(n)

    • Generator

    • Volt

    • Electromagnet

    • Transformer

    Correct Answer
    A. Volt
    Explanation
    A unit for measuring the force that makes negative charges flow is called a volt. The volt is the SI unit of electric potential difference and electromotive force. It represents the amount of electrical potential energy per unit charge. In other words, it measures the strength or intensity of the electric force that causes negatively charged particles to move in a circuit. Generators, electromagnets, and transformers are all devices that can generate or manipulate electric currents, but they are not units of measurement for the force itself.

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  • 7. 

    The plastic around an electrical wire that keeps you from getting a shock is an example of a(n)

    • Conductor

    • Fuse

    • Insulator

    • Circuit breaker

    Correct Answer
    A. Insulator
    Explanation
    The plastic around an electrical wire acts as an insulator, preventing the flow of electric current and thus keeping you from getting a shock. Insulators are materials that do not conduct electricity easily, and they are used to protect against electrical accidents by providing a barrier between the current-carrying wire and any conductive surfaces or individuals.

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  • 8. 

    Lightning is a discharge of

    • Magnetic field

    • Direct curent

    • Static electricity

    • Chemical energy

    Correct Answer
    A. Static electricity
    Explanation
    Lightning is a discharge of static electricity. During a thunderstorm, the movement of air and water droplets within the storm clouds causes a separation of positive and negative charges. This creates an imbalance of electrical energy, resulting in a buildup of static electricity. When the electrical potential difference becomes too great, a discharge occurs, releasing a sudden flow of electrons through the air. This discharge is what we see as lightning, a powerful and visible display of static electricity.

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  • 9. 

    A bulb gets dimmer when a second bulb is added to the circuit.  The bulbs are wired in a(n)

    • Series circuit

    • Parallel circuit

    Correct Answer
    A. Series circuit
    Explanation
    In a series circuit, the current flows through each component in the same path. When a second bulb is added to the circuit, the total resistance increases, causing the current to decrease. As a result, the bulbs receive less current and therefore become dimmer. In a parallel circuit, each component has its own path for the current to flow, so adding a second bulb would not affect the current flowing through the first bulb, and it would not get dimmer.

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  • 10. 

    A thin wire strip that melts easily to keep too much electric current from flowing through wires is a(n)

    • Insulator

    • Overload

    • Fuse

    • Circuit

    Correct Answer
    A. Fuse
    Explanation
    A fuse is a thin wire strip that melts easily when too much electric current flows through it. This melting of the wire breaks the circuit and prevents further flow of current, protecting the wires from damage caused by overload. Therefore, a fuse is used as a safety device to prevent excessive current from flowing through wires.

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  • 11. 

    A device that is used to change the voltage of electricity is a(n)

    • Generator

    • Volt

    • Electromagnet

    • Transformer

    Correct Answer
    A. Transformer
    Explanation
    A transformer is a device that is used to change the voltage of electricity. It consists of two coils of wire, known as the primary and secondary coils, which are wound around a core. When an alternating current passes through the primary coil, it creates a changing magnetic field in the core. This changing magnetic field induces a voltage in the secondary coil, resulting in a change in voltage. Transformers are commonly used in electrical power distribution systems to step up or step down the voltage for transmission and use in different applications.

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  • 12. 

    To make light, a flashlight needs a bulb, a switch, and a(n)

    • Parallel

    • Insulator

    • Cell

    • Current

    Correct Answer
    A. Cell
    Explanation
    A flashlight needs a cell to provide the necessary electrical energy to power the bulb and produce light. The cell acts as a source of direct current (DC) electricity, which flows through the circuit when the switch is turned on. Without the cell, there would be no source of power to generate light in the flashlight.

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  • 13. 

    Which is NOT an example of the uses of an electromagnet?

    • Separating scrap iron from other garbage

    • Ringing a door bell

    • Finding which direction is North

    • Picking metal splinters out of skin

    Correct Answer
    A. Finding which direction is North
    Explanation
    Finding which direction is North is not an example of the uses of an electromagnet. Electromagnets are used in various applications such as separating scrap iron from other garbage, ringing a doorbell, and picking metal splinters out of the skin. However, determining the direction of North typically involves the use of a compass, which relies on the Earth's magnetic field and does not require an electromagnet.

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  • Current Version
  • Mar 27, 2025
    Quiz Edited by
    ProProfs Editorial Team
  • Aug 24, 2009
    Quiz Created by
    Farrisea
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