Grade 10 Energy Test

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    Which type of energy is found in food?

    • Mechanical
    • Gravitational
    • Kinetic
    • Chemical
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About This Quiz

This Grade 10 Energy Test assesses understanding of basic energy concepts, types of energy, and energy units, focusing on their practical applications and transformations.

Grade 10 Energy Test - Quiz

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  • 2. 

    The S.I. unit of energy is?

    • Watt

    • Joule

    • Newton

    • Kilogram

    Correct Answer
    A. Joule
    Explanation
    The SI unit of energy is the joule. The joule is defined as the amount of energy transferred when a force of one newton is applied over a distance of one meter. It is commonly used to measure various forms of energy such as mechanical, thermal, and electrical energy. The watt is the SI unit of power, not energy. The newton is the SI unit of force, and the kilogram is the SI unit of mass.

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  • 3. 

    What is energy?

    • Pushing and pulling

    • The agility of doing work

    • To be able to do work

    • Completing a task

    Correct Answer
    A. To be able to do work
    Explanation
    Energy is the ability or capacity to do work. It is the power or agility to perform tasks and accomplish goals. Energy is required to push and pull objects, complete tasks, and carry out any form of work. It is the underlying force that enables actions and movements to occur.

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  • 4. 

    Which of the following options does NOT agree with the law of conservation of energy?

    • Energy cannot be created

    • Energy cannot be destroyed

    • Energy can be transformed from one form to another

    • Energy can be created in another form

    Correct Answer
    A. Energy can be created in another form
    Explanation
    The law of conservation of energy states that energy cannot be created or destroyed, but only transformed from one form to another. This means that the total amount of energy in a closed system remains constant. The option "Energy can be created in another form" contradicts this law, as it suggests that energy can be created, which goes against the principle of conservation.

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  • 5. 

    What is gravitational potential energy?

    • Energy stored in a person

    • Energy above a leveled surface

    • Energy out of space

    • Energy above a coconut tree

    Correct Answer
    A. Energy above a leveled surface
    Explanation
    Gravitational potential energy refers to the energy that an object possesses due to its position above a leveled surface. It is the energy that an object has when it is raised above the ground level. This energy is a result of the gravitational force acting on the object, and it can be converted into other forms of energy when the object falls or moves downward.

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  • 6. 

    Which of the following type of energy is NOT a stage in the energy transformation of a Flashlight?

    • Chemical

    • Mechanical

    • Light

    • Electrical

    Correct Answer
    A. Mechanical
    Explanation
    Mechanical energy is not a stage in the energy transformation of a flashlight. A flashlight works by converting chemical energy from the batteries into electrical energy, which then gets transformed into light energy. Mechanical energy, which refers to the energy associated with the motion or position of an object, is not involved in this process.

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  • 7. 

    What is the height above ground of a roller coaster that has a potential energy of 32.4 J and a mass of 34000 grams?

    • 333.2 m

    • 1.00 m

    • 0.097 m

    • 0.000097 m

    Correct Answer
    A. 0.097 m
    Explanation
    The potential energy of an object is given by the formula PE = mgh, where m is the mass, g is the acceleration due to gravity, and h is the height above ground. Rearranging the formula, we can solve for h: h = PE / (mg). Plugging in the values given, we get h = 32.4 J / (34000 g * 9.8 m/s^2). Converting grams to kilograms, we have h = 32.4 J / (34 kg * 9.8 m/s^2) = 0.097 m. Therefore, the height above ground is 0.097 m.

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  • 8. 

    Which of the following quantities do we NOT need to calculate potential energy?

    • Mass

    • Acceleration of falling

    • Weight

    • Height

    Correct Answer
    A. Weight
    Explanation
    Weight is not needed to calculate potential energy because potential energy is determined by the height of an object and its mass, not its weight. Weight is a force that is dependent on the mass of an object and the acceleration due to gravity, but it is not directly used in the calculation of potential energy. Therefore, weight is not necessary to calculate potential energy.

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  • 9. 

    Which of the following is a renewable source of energy?

    • Coal 

    • Natural gas 

    • Solar energy 

    • Nuclear energy

    Correct Answer
    A. Solar energy 
    Explanation
    Renewable energy sources are those that can be replenished naturally over a relatively short period. Solar energy, derived from the sun's radiation, is a renewable source as it is constantly being replenished. The other options are non-renewable sources, as they are finite and take millions of years to form.

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  • 10. 

    Which of the following is NOT a type of energy?

    • Thermal

    • Fuel

    • Nuclear

    • Strain

    Correct Answer
    A. Fuel
    Explanation
    Fuel is not a type of energy, but rather a substance that can be burned or consumed to produce energy. Energy can be derived from various sources such as thermal, nuclear, or strain, but fuel itself is not considered a type of energy. It is a material that can be converted into energy through various processes.

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  • 11. 

    Which of the following groups of energy is described as 'energy of movement'?

    • Thermal and electrical

    • Nuclear and mechanical

    • Gravitational and chemical

    • Sound and light

    Correct Answer
    A. Thermal and electrical
    Explanation
    Thermal and electrical energy can both be described as "energy of movement" because they involve the movement of particles or charges. Thermal energy is the energy associated with the movement of atoms and molecules, while electrical energy is the energy associated with the movement of electrons. Both forms of energy involve the transfer or conversion of kinetic energy, making them appropriate choices for the description of "energy of movement".

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  • 12. 

    Which scientist stated the law of conservation of energy?

    • Isaac Newton

    • Marcus Joule

    • Albert Einstein

    • Alexander Graham Bell

    Correct Answer
    A. Albert Einstein
    Explanation
    Albert Einstein is the correct answer because he formulated the theory of relativity, which includes the principle of the conservation of energy. This principle states that energy cannot be created or destroyed, but only transformed from one form to another. Einstein's theory revolutionized our understanding of energy and its relationship to mass, leading to the famous equation E=mc^2, which shows the equivalence of energy and mass. Therefore, Einstein's contributions to physics solidified the concept of the conservation of energy.

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  • Current Version
  • Nov 19, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 29, 2020
    Quiz Created by
    Dwalker
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