Energy And Forms Of Energy Quiz

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| By Avincent004
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Avincent004
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Quizzes Created: 3 | Total Attempts: 1,945
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  • 1/10 Questions

    Energy is...

    • When the surfaces of two objects rub against each other.
    • The ability to do work.
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About This Quiz

The energy covers the 7 forms of energy, kinetic and potential energy, and the law of conservation of energy.

Energy Quizzes & Trivia

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  • 2. 

    An object that has kinetic energy must be...

    • Lifted above earth's surface.

    • In motion.

    • At rest.

    • None of the above.

    Correct Answer
    A. In motion.
    Explanation
    An object that has kinetic energy must be in motion because kinetic energy is the energy possessed by an object due to its motion. When an object is in motion, it has the ability to do work and transfer energy. Therefore, if an object is at rest or lifted above the earth's surface, it does not possess kinetic energy.

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  • 3. 

    Sound energy is...

    • The energy of a compound that changes as its atoms are rearranged to form new compounds.

    • The total energy of the particles that make up an object.

    • The energy caused by an object's vibrations.

    • The energy of motion.

    Correct Answer
    A. The energy caused by an object's vibrations.
    Explanation
    Sound energy is the energy caused by an object's vibrations. When an object vibrates, it creates sound waves that travel through a medium, such as air or water. These vibrations transfer energy to the surrounding particles, causing them to vibrate as well. This energy is then carried by the sound waves and can be detected by our ears as sound. Therefore, sound energy is specifically related to the vibrations of an object and the energy it transfers through the medium.

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  • 4. 

    The law of _________________ of energy states that energy cannot be created or destroyed.

    • Transformation

    • Absorption

    • Conservation

    • Stability

    Correct Answer
    A. Conservation
    Explanation
    The law of conservation of energy states that energy cannot be created or destroyed. This means that the total amount of energy in a closed system remains constant over time. Energy can only be transformed from one form to another, such as from potential energy to kinetic energy. This principle is fundamental in understanding and explaining various phenomena in physics and is a key concept in the field of energy conservation.

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  • 5. 

    Which of the following is the best example of increasing an object's potential energy?

    • Rolling a bowling ball

    • Turning on a light bulb

    • Stretching a rubber band

    • Dropping a pencil

    Correct Answer
    A. Stretching a rubber band
    Explanation
    Stretching a rubber band is the best example of increasing an object's potential energy because when a rubber band is stretched, elastic potential energy is stored in it. As the rubber band is stretched, work is done against its elasticity, causing potential energy to increase. When released, the rubber band returns to its original shape, converting the stored potential energy back into kinetic energy. This demonstrates the conversion between potential and kinetic energy in a clear and direct way.

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  • 6. 

    As height increases, so does...

    • Thermal energy.

    • Mechanical energy.

    • Kinetic energy.

    • Potential energy.

    Correct Answer
    A. Potential energy.
    Explanation
    As height increases, potential energy also increases. This is because potential energy is the energy possessed by an object due to its position or height above the ground. The higher an object is, the more potential energy it has. Therefore, as height increases, so does potential energy.

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  • 7. 

    Which of the following is a conversion from chemical energy to thermal energy?

    • Coal is burned to boil water.

    • Food is digested and used to regulate body temperature.

    • Charcoal is burned in a barbeque pit.

    • All of the above.

    Correct Answer
    A. All of the above.
    Explanation
    All of the given options involve the conversion of chemical energy to thermal energy. When coal is burned to boil water, the chemical energy stored in coal is released as heat, which raises the temperature of the water. Similarly, during the process of digestion, food is broken down and its chemical energy is converted into thermal energy, which helps regulate body temperature. Finally, when charcoal is burned in a barbeque pit, the chemical energy stored in charcoal is transformed into heat energy, which provides the necessary heat for cooking. Therefore, all of the options involve the conversion of chemical energy to thermal energy.

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  • 8. 

    What device converts chemical energy to mechanical energy?

    • Human

    • Car

    • Jet ski

    • All of the above.

    Correct Answer
    A. All of the above.
    Explanation
    All of the options listed (human, car, jet ski) can convert chemical energy to mechanical energy. In the case of a human, the chemical energy from food is converted into mechanical energy through muscle contractions. Similarly, in a car and jet ski, the chemical energy from fuel (such as gasoline) is converted into mechanical energy through the combustion process in the engine. Therefore, all three options are correct as they represent devices that can convert chemical energy to mechanical energy.

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  • 9. 

    According to the law of conservation of energy, in theory, a bouncy ball should never stop bouncing. However, we know that it eventually stops. Where does the energy go.

    • Some gets converted into sound energy and escapes into the surroundings.

    • Some gets converted into thermal energy and escapes into the surroundings.

    • Both A and B

    Correct Answer
    A. Both A and B
    Explanation
    According to the law of conservation of energy, energy cannot be created or destroyed, only converted from one form to another. In the case of a bouncy ball, when it hits the ground, some of its energy is converted into sound energy, which is then released into the surroundings. Additionally, some of the energy is converted into thermal energy, causing the ball and the surrounding air to heat up slightly. Therefore, both options A and B are correct as some energy is converted into sound energy and some into thermal energy, both of which escape into the surroundings.

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  • 10. 

    Thermal energy is...

    • Kinetic.

    • Potential.

    • Both kinetic and potential.

    • Neither kinetic nor potential.

    Correct Answer
    A. Kinetic.
    Explanation
    Thermal energy refers to the energy that is generated by the movement of particles within a substance. This movement is associated with kinetic energy, as the particles are in constant motion. Therefore, thermal energy can be considered as kinetic energy.

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  • Current Version
  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jun 05, 2012
    Quiz Created by
    Avincent004
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