Energy Transformations Trivia Questions

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| By Mrmorris
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Mrmorris
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Quizzes Created: 2 | Total Attempts: 7,797
| Attempts: 6,165
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  • 1/6 Questions
    What energy transformation takes place when something burns? - ProProfs

    What energy transformation takes place when something burns?

    • Chemical -> thermal
    • Electrical -> mechanical
    • Electromagnetic -> chemical
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About This Quiz

In today’s quiz we’ll be taking a look at the scientific topic of physics, while focusing on energy and how it transforms. Energy transformations occur everywhere, whether it’s in the form of a fire being lit, or your toaster turning on and heating up your bread. What do you know about some of these transformations and the types of energy being changed in them? Let’s find out!

Energy Transformations Trivia Questions - Quiz

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  • 2. 
    What energy transformation happens in a toaster? - ProProfs

    What energy transformation happens in a toaster?

    • Mechanical -> electrical

    • Electrical -> thermal

    • Thermal -> chemical

    Correct Answer
    A. Electrical -> thermal
    Explanation
    When a toaster is used, electrical energy is converted into thermal energy. The electrical current flows through the heating elements of the toaster, which are made of a material with high electrical resistance. This resistance causes the electrical energy to be converted into heat energy, resulting in the heating of the toaster and the toasting of bread or other food items. Therefore, the correct energy transformation in a toaster is from electrical energy to thermal energy.

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  • 3. 
    When a turbine rotates to produce electricity, what energy transformation takes place? - ProProfs

    When a turbine rotates to produce electricity, what energy transformation takes place?

    • Thermal -> mechanical

    • Electrical -> electromagnetic

    • Chemical -> electrical

    • Mechanical -> electrical

    Correct Answer
    A. Mechanical -> electrical
    Explanation
    When a turbine rotates, it converts the mechanical energy of the rotating blades into electrical energy. This is achieved through the use of a generator, where the mechanical energy is used to rotate a magnet inside a coil of wire, creating an electromagnetic field that induces an electric current. Therefore, the energy transformation that takes place in this scenario is from mechanical energy to electrical energy.

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  • 4. 

    In what state is chemical energy always in?

    • Kinetic

    • Potential

    Correct Answer
    A. Potential
    Explanation
    Chemical energy is always in a potential state. This is because chemical energy is stored within the bonds of molecules and can be released or converted into other forms of energy, such as kinetic energy, when those bonds are broken. Therefore, potential energy is the correct answer as it represents the stored energy in a chemical system.

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  • 5. 

    You notice after you walk across a room, you feel a spark when you touch the doorknob. What energy transformation must have taken place?

    • Thermal -> electromagnetic

    • Mechanical -> electrical

    • Electromagnetic -> mechanical

    Correct Answer
    A. Mechanical -> electrical
    Explanation
    When you walk across a room and feel a spark when you touch the doorknob, it indicates that a mechanical to electrical energy transformation has taken place. As you walk across the room, friction is generated between your shoes and the floor. This friction causes the buildup of static electricity on your body. When you touch the doorknob, the excess electrons from your body jump to the doorknob, creating a spark. This transfer of electrons from your body to the doorknob is an example of a mechanical to electrical energy transformation.

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  • 6. 

    What type of energy is produced and wasted during most energy transformations?

    • Chemical

    • Thermal

    • Electrical

    Correct Answer
    A. Thermal
    Explanation
    During most energy transformations, thermal energy is produced and wasted. This is because energy transformations often involve the conversion of one form of energy into another, and this process typically results in the generation of heat. This heat energy is considered as thermal energy and is often lost to the surroundings, making it a common form of energy that is produced and wasted during energy transformations.

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  • Current Version
  • Apr 10, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 14, 2010
    Quiz Created by
    Mrmorris
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