Ultimate Quiz On Energy: Exam!

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Ultimate Quiz On Energy: Exam! - Quiz


What is energy? Simply put, energy is the capability to do physical work. Energy can exist in potential, thermal, electrical, chemical, kinetic, and nuclear forms. You can’t see energy with your eyes, but we all know that it is there. It comes out in the form of motion. In this quiz, you must know the difference between the types of energies and the variables that exist between them. You absolutely need to take this quiz.


Questions and Answers
  • 1. 

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

    • A.

      Stretching a rubber band

    • B.

      Turning on a light

    • C.

      Rolling a bowling ball

    • D.

      Dropping a pencil

    Correct Answer
    A. Stretching a rubber band
    Explanation
    Stretching a rubber band is an example of increasing an object's potential energy because when the rubber band is stretched, work is done to overcome the elastic force within the band, causing it to store potential energy. This potential energy is then released when the band is allowed to return to its original shape.

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  • 2. 

    If an object has kinetic energy...

    • A.

      It must be at rest

    • B.

      It must be in motion

    • C.

      Lifted above the Earth's surface

    • D.

      It must be a chemical reaction

    Correct Answer
    B. It must be in motion
    Explanation
    If an object has kinetic energy, it must be in motion. Kinetic energy is the energy possessed by an object due to its motion. The amount of kinetic energy an object has depends on its mass and velocity. Therefore, if an object has kinetic energy, it indicates that it is moving.

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  • 3. 

    Sound energy is created when...

    • A.

      Energy of the compounds changes as the atom are rearranged to make new compounds

    • B.

      Total energy used to make up an object

    • C.

      Energy is caused by the vibrations of the object

    • D.

      Energy of motion

    Correct Answer
    C. Energy is caused by the vibrations of the object
    Explanation
    Sound energy is caused by the vibrations of an object. When an object vibrates, it creates sound waves that travel through a medium, such as air or water. These vibrations transfer energy from the object to the surrounding medium, resulting in the production of sound. Therefore, sound energy is a form of kinetic energy that is generated by the motion and vibrations of objects.

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  • 4. 

    Which of the following would convert chemical energy to mechanical energy? 

    • A.

      Jet ski

    • B.

      Car

    • C.

      Humans

    • D.

      All of the Above

    Correct Answer
    D. All of the Above
    Explanation
    All of the options listed (jet ski, car, and humans) have the ability to convert chemical energy to mechanical energy. A jet ski and a car both use engines that burn fuel, such as gasoline, to produce mechanical energy that powers their movement. Similarly, humans convert the chemical energy from the food they consume into mechanical energy through muscle contractions, allowing them to perform physical tasks. Therefore, all of the options mentioned are capable of converting chemical energy into mechanical energy.

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  • 5. 

    As the height of the object increases, the _____________ energy of an object increases. 

    • A.

      Potential

    • B.

      Kinetic

    • C.

      Nuclear

    • D.

      Thermal

    Correct Answer
    A. Potential
    Explanation
    As the height of an object increases, its potential energy increases. Potential energy is the energy possessed by an object due to its position or condition. In this case, the height of the object is directly related to its potential energy. The higher the object is, the more potential energy it has. Therefore, the correct answer is "potential."

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  • 6. 

    The Law of Conservation of Energy states that energy cannot be created or destroyed.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The Law of Conservation of Energy is a fundamental principle in physics that states that energy cannot be created or destroyed, only transformed from one form to another. This means that the total amount of energy in a closed system remains constant over time. This principle is supported by numerous scientific experiments and observations, and it has been a cornerstone of physics for centuries. Therefore, the given answer, "True," is correct.

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  • 7. 

    According to the Law of Conservation of Energy, in theory, a bouncy ball will not stop bouncing.  However, we know that it will stop. Where did the energy go?

    • A.

      The energy gets converted into sound energy and escapes into the surroundings

    • B.

      The energy gets converted into thermal energy and escapes into the surroundings

    • C.

      Both A and B

    • D.

      None of the above

    Correct Answer
    C. Both A and B
    Explanation
    When a bouncy ball bounces, it undergoes elastic deformation, which means that it temporarily stores potential energy. As it rebounds, this potential energy is converted into kinetic energy, causing it to bounce back up. However, due to various factors like air resistance and friction, some of this energy is lost. In this case, the energy is converted into sound energy, which is why we hear the sound of the ball bouncing. Additionally, the energy is also converted into thermal energy due to the friction between the ball and the surface it bounces on. This thermal energy escapes into the surroundings, resulting in a decrease in the ball's bounce height over time. Therefore, both options A and B are correct.

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  • 8. 

    Energy is the ability to do work. 

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Energy is the ability to do work. This statement is true because energy is defined as the capacity to perform work or the ability to cause a change in an object or system. Work is done when a force is applied to an object and it causes the object to move in the direction of the force. Energy can exist in various forms such as kinetic energy, potential energy, thermal energy, etc., and it can be converted from one form to another. Therefore, energy is indeed the ability to do work.

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  • 9. 

    How does the energy of a roller-coaster cart change as the cart travel from the top of the roller coaster to the bottom?

    • A.

      The cart has greater kinetic energy at the top that it does at the bottom

    • B.

      The care has no energy at the top and more energy at the bottom

    • C.

      The cart has less potential energy at the top that it does at the bottom

    • D.

      The cart has potential energy at the top that is transformed to kinetic energy as it moves to the bottom

    Correct Answer
    D. The cart has potential energy at the top that is transformed to kinetic energy as it moves to the bottom
    Explanation
    As the roller-coaster cart travels from the top to the bottom, its potential energy decreases while its kinetic energy increases. This is because at the top, the cart has a higher potential energy due to its height above the ground. As it moves downwards, this potential energy is converted into kinetic energy, resulting in a decrease in potential energy and an increase in kinetic energy. Therefore, the correct answer is that the cart has potential energy at the top that is transformed into kinetic energy as it moves to the bottom.

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  • 10. 

    The forces that prevents a ball rolling on the ground from continuing on its path forever is 

    • A.

      Inertia

    • B.

      Momentum

    • C.

      Friction

    • D.

      Kinetic energy

    Correct Answer
    C. Friction
    Explanation
    Friction is the force that prevents a ball rolling on the ground from continuing on its path forever. Friction is the resistance that occurs when two surfaces come into contact and slide against each other. In this case, as the ball rolls on the ground, the friction between the ball and the ground opposes its motion, gradually slowing it down and eventually bringing it to a stop. Without friction, the ball would keep rolling indefinitely due to its inertia and momentum.

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  • 11. 

    When a parachutist jumps out of plane, he lands on the ground after a while because of....

    • A.

      Air pressure pulls him down

    • B.

      The Earth's gravitational pull acts on him

    • C.

      He possesses excellent jumping skills

    • D.

      The downward force of the wind acts on the parachute

    Correct Answer
    B. The Earth's gravitational pull acts on him
    Explanation
    The correct answer is the Earth's gravitational pull acts on him. When a parachutist jumps out of a plane, they experience the force of gravity pulling them towards the Earth. This gravitational force causes the parachutist to accelerate downwards, eventually leading to them landing on the ground. The parachute helps to slow down their descent by increasing air resistance and counteracting the force of gravity, allowing for a safer landing.

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  • 12. 

    Which of the following is an example of kinetic energy being transformed into gravitational potential energy?

    • A.

      A person climbing a ladder

    • B.

      Person who stores food energy as fat

    • C.

      Person who is diving into the pool

    • D.

      Person who is dropping a ball

    Correct Answer
    D. Person who is dropping a ball
    Explanation
    When a person drops a ball, the ball initially has kinetic energy due to its motion. As the ball falls, its height increases, and therefore its potential energy due to gravity also increases. This is an example of kinetic energy being transformed into gravitational potential energy.

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  • 13. 

    What happens when a pebble lying on the ground is kicked?

    • A.

      Energy is lost

    • B.

      Energy is transferred

    • C.

      Energy is destroyed

    • D.

      Energy is created

    Correct Answer
    B. Energy is transferred
    Explanation
    When a pebble lying on the ground is kicked, the kinetic energy from the person's foot is transferred to the pebble. This transfer of energy causes the pebble to move and gain kinetic energy. However, some energy is also lost due to factors like air resistance and friction with the ground. Therefore, the correct answer is that energy is transferred.

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  • 14. 

     A rubber ball falling vertically bounces off a concrete floor. Just as the ball begins to bounce up, all of its energy is kinetic. According to the Law of Conservation of Energy, what forms of energy will this kinetic energy convert to?

    • A.

      Thermal, sound , and radiant energy

    • B.

      Chemical potential energy, thermal, radiant 

    • C.

      Gravitational potential energy, thermal, sound

    • D.

      Gravitational potential energy, chemical, sound

    Correct Answer
    C. Gravitational potential energy, thermal, sound
    Explanation
    When the rubber ball falls and bounces off the concrete floor, its initial kinetic energy is converted into gravitational potential energy as it reaches its maximum height, thermal energy due to friction between the ball and the floor, and sound energy due to the impact and subsequent vibrations. Therefore, the correct answer is gravitational potential energy, thermal, sound.

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  • 15. 

    What forms of energy increases as a rocket blast off?

    • A.

      Chemical potential & gravitational potential energy

    • B.

       gravitational potential and kinetic

    • C.

      Chemical potential and kinetic energy

    • D.

      Kinetic and thermal 

    Correct Answer
    D. Kinetic and thermal 
    Explanation
    When a rocket blasts off, its chemical potential energy is converted into kinetic energy as the rocket gains speed and moves upwards. Additionally, the rocket also generates thermal energy due to the combustion of fuel. Therefore, the forms of energy that increase as a rocket blasts off are kinetic energy and thermal energy.

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  • 16. 

    Which is NOT an example of increasing potential energy?

    • A.

      Pulling a pendulum to a greater height before letting it go

    • B.

      Burning wood to make heat in a fire

    • C.

      Carrying more wood to a campfire 

    • D.

      Climbing higher up a hill before riding down it on a bicycle

    Correct Answer
    B. Burning wood to make heat in a fire
    Explanation
    Burning wood to make heat in a fire does not involve increasing potential energy. Potential energy is the energy that an object possesses due to its position or condition. In this case, burning wood releases stored chemical potential energy in the form of heat and light energy. The other examples mentioned involve increasing potential energy: pulling a pendulum to a greater height increases its gravitational potential energy, carrying more wood to a campfire increases the potential energy of the wood, and climbing higher up a hill before riding down it on a bicycle increases the gravitational potential energy of the rider.

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  • 17. 

    What will happen to the gravitational potential energy of a rock as it is moving down the hill during a landslide?

    • A.

      It will decrease

    • B.

      It will increase

    • C.

      It will not change

    • D.

      The mass of the rock will increase

    Correct Answer
    A. It will decrease
    Explanation
    As the rock moves down the hill during a landslide, its height above the ground decreases. Gravitational potential energy is directly proportional to the height of an object above the ground. Therefore, as the height decreases, the gravitational potential energy of the rock will also decrease.

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  • 18. 

    A yo-yo will not continue to go up and down forever. If energy is not destroyed, what will cause it to stop?

    • A.

      Some energy is lost due to friction

    • B.

      Energy required to go up is more than the energy required to go down

    • C.

      Energy is gained as the yo-yo climbs the string

    • D.

      No energy found in the movement of the yo-yo

    Correct Answer
    A. Some energy is lost due to friction
    Explanation
    Friction is a force that opposes motion and it always causes some energy to be lost in the form of heat. When a yo-yo goes up and down, there is friction between the yo-yo and the string, as well as between the yo-yo and the air. This friction converts some of the kinetic energy of the yo-yo into heat energy, causing the yo-yo to gradually lose energy and eventually come to a stop. Therefore, the statement "some energy is lost due to friction" provides a valid explanation for why a yo-yo will not continue to go up and down forever.

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  • 19. 

    At a nuclear power plant, nuclear energy is converted into ____________ energy to be used in homes, businesses.

    Correct Answer
    Electrical, electrical
    Explanation
    At a nuclear power plant, the process of nuclear fission is used to generate heat. This heat is then used to produce steam, which drives a turbine connected to a generator. The generator converts the mechanical energy of the turbine into electrical energy. This electrical energy is then transmitted through power lines to homes and businesses, where it can be used to power various appliances and devices. Therefore, the correct answer is "electrical energy" as it is the form of energy that is ultimately produced and used in homes and businesses.

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  • 20. 

    The types of energy transferred in a Ferris Wheel: 1. The start button on the Ferris Wheel would be an example of Chemical energy when the operator touches it. 2. Energy is then becomes electrical and then moves into __________________ energy with the motion of the ride. 

    Correct Answer
    Mechanical, mechanical
    Explanation
    The first part of the explanation states that the start button on the Ferris Wheel is an example of chemical energy when the operator touches it. This means that the initial energy input comes from chemical energy. The second part of the explanation mentions that this energy then becomes electrical energy. This suggests that the chemical energy is converted into electrical energy to power the Ferris Wheel. Finally, the explanation states that the electrical energy then moves into mechanical energy with the motion of the ride. This means that the electrical energy is further converted into mechanical energy, which is the type of energy that allows the Ferris Wheel to move. Therefore, the correct answer is mechanical for both types of energy transferred in a Ferris Wheel.

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  • 21. 

    Which forms of energy would you find in a jack in the box? 

    • A.

      Sound energy

    • B.

       mechanical energy

    • C.

      Radiant energy

    • D.

      Electrical energy

    Correct Answer(s)
    A. Sound energy
    B.  mechanical energy
    Explanation
    In a jack in the box, you would find sound energy and mechanical energy. Sound energy is produced when the box is opened and the spring is released, causing the toy to make a popping sound. Mechanical energy is present in the spring mechanism, as it stores potential energy when it is wound up and then converts it into kinetic energy when released.

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  • 22. 

    Kinetic Energy is determined by which two factors?

    • A.

      Speed

    • B.

      Mass

    • C.

      Both A and B

    • D.

      Direction

    Correct Answer
    C. Both A and B
    Explanation
    Kinetic energy is determined by both speed and mass. The speed of an object affects its kinetic energy because the faster an object is moving, the more kinetic energy it possesses. Similarly, the mass of an object also affects its kinetic energy because the more massive an object is, the more kinetic energy it has. Therefore, both speed and mass play a significant role in determining the kinetic energy of an object.

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  • 23. 

    Which two factors will impact the amount of gravitational potential energy an object will have?

    • A.

      Height 

    • B.

      Mass

    • C.

      Speed

    • D.

      Transformations

    Correct Answer(s)
    A. Height 
    B. Mass
    Explanation
    The amount of gravitational potential energy an object will have is determined by two factors: height and mass. Height refers to the distance above the ground or reference point at which the object is located. The higher the object is, the greater its gravitational potential energy. Mass, on the other hand, refers to the amount of matter in the object. The greater the mass of an object, the more gravitational potential energy it possesses. Speed and transformations are not factors that directly impact the amount of gravitational potential energy.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 18, 2018
    Quiz Created by
    Michelle BYRD
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