5/6 Science Test Energy And Force (Unit C Ch 1)

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5/6 Science Test Energy And Force (Unit C Ch 1) - Quiz


Questions and Answers
  • 1. 

    Force is a PUSH or _________.

    Explanation
    Force is a push or pull that can be exerted on an object. In this question, the correct answer is "pull," which refers to the action of exerting force to bring an object closer to oneself. Pulling involves applying force in the direction of oneself, causing the object to move towards the individual exerting the force.

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  • 2. 

    Energy is the ability to do ___________.

    Explanation
    Energy is the capacity or ability to do work. Work is defined as the transfer of energy when a force is applied to an object and it causes the object to move in the direction of the force. Therefore, energy is required to perform work on an object.

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  • 3. 

    ______________ energy is stored energy.

    Explanation
    Potential energy is a form of stored energy that an object possesses due to its position, condition, or composition. It is the energy that an object has the potential to convert into other forms of energy, such as kinetic energy. For example, a stretched rubber band has potential energy because it has the potential to snap back and release energy. Similarly, a ball held above the ground has potential energy because it has the potential to fall and convert that potential energy into kinetic energy.

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  • 4. 

    This is an example of ______________ energy.         

    • A.

      Chemical

    • B.

      Electrical

    • C.

      Elastic Potential

    Correct Answer
    A. Chemical
    Explanation
    This question is asking for the type of energy that is being referred to. The correct answer is "Chemical" because it is the only option that specifically relates to energy stored in chemical bonds. Chemical energy is released or absorbed during chemical reactions, making it an appropriate answer in this context.

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  • 5. 

    This is an example of ____________ energy

    • A.

      Potential

    • B.

      Kinetic

    Correct Answer
    A. Potential
    Explanation
    This question is asking for the type of energy being described. The word "potential" indicates that the energy in question is stored or has the potential to be used. In contrast, kinetic energy refers to energy in motion. Therefore, the correct answer is potential energy.

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  • 6. 

    This is an example of ______________ energy.         

    • A.

      Chemical

    • B.

      Electrical

    • C.

      Elastic Potential

    Correct Answer
    C. Elastic Potential
    Explanation
    This question is asking for the type of energy that is being described. The correct answer is "Elastic Potential." Elastic potential energy is the energy stored in an object when it is stretched or compressed. This type of energy is typically associated with objects like springs or rubber bands.

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  • 7. 

    This is an example of ______________ energy.         

    • A.

      Chemical

    • B.

      Electrical

    • C.

      Thermal

    Correct Answer
    C. Thermal
    Explanation
    This question is asking for the type of energy being described. The correct answer is thermal energy. Thermal energy refers to the energy that is created by the movement of particles within a substance. It is associated with heat and temperature.

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  • 8. 

      When diving from a diving board, the person is relying on ______________ energy to pull them into the water.         

    • A.

      Potential gravitational

    • B.

      Potential chemical

    • C.

      Friction

    Correct Answer
    A. Potential gravitational
    Explanation
    When diving from a diving board, the person is relying on potential gravitational energy to pull them into the water. Potential gravitational energy is the energy possessed by an object due to its position in a gravitational field. As the person jumps off the diving board, their potential energy is converted into kinetic energy, causing them to accelerate and fall towards the water. This gravitational force is what ultimately pulls them into the water.

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  • 9. 

     A _______________ is a unit of measurement for force.

    Correct Answer
    newton
    Explanation
    A newton is a unit of measurement for force. It is named after Sir Isaac Newton, a renowned physicist and mathematician. The newton is defined as the amount of force required to accelerate a one-kilogram mass by one meter per second squared. This unit is commonly used in physics and engineering to quantify the strength or impact of a force.

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  • 10. 

     A _______________ is a unit of measurement for energy.

    Correct Answer
    joule
    Explanation
    A joule is a unit of measurement for energy. It is derived from the International System of Units (SI) and is used to quantify the amount of energy transferred or expended in various systems. The joule is defined as the amount of work done when a force of one newton is applied over a distance of one meter. It is commonly used in physics and engineering to measure energy in various forms such as mechanical, thermal, and electrical energy.

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  • 11. 

    A rock rolling down hill is an example of ______________ energy.         

    • A.

      Potential

    • B.

      Kinetic

    • C.

      Thermal

    Correct Answer
    B. Kinetic
    Explanation
    A rock rolling down a hill is an example of kinetic energy because kinetic energy is the energy possessed by an object due to its motion. In this scenario, the rock is in motion as it rolls down the hill, therefore it has kinetic energy. Potential energy refers to the energy possessed by an object due to its position or condition, and thermal energy refers to the energy associated with the temperature of an object or a system.

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  • 12. 

    Energy can be created and destroyed.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    According to the law of conservation of energy, energy cannot be created or destroyed, but it can only be converted from one form to another. This principle is known as the first law of thermodynamics. Therefore, the statement that energy can be created and destroyed is incorrect.

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  • 13. 

    Check if box if it is a form of energy. (You may check more than one box!!)

    • A.

      Light

    • B.

      Thermal

    • C.

      Pebble

    • D.

      Chemical

    • E.

      Electrical

    Correct Answer(s)
    A. Light
    B. Thermal
    D. Chemical
    E. Electrical
    Explanation
    The given question is asking us to identify which options are forms of energy. Light, thermal, chemical, and electrical are all forms of energy. Light energy is the energy produced by electromagnetic waves, thermal energy is the energy associated with heat, chemical energy is the energy stored in chemical bonds, and electrical energy is the energy associated with the flow of electric charge. Pebble, on the other hand, is not a form of energy but rather a physical object.

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  • 14. 

    ________ is the force resisting the relative motion of solid surfaces, fluid layers, and/or material elements sliding against each other. It may be thought of as the opposite of "slipperiness".

    Correct Answer(s)
    friction
    Explanation
    Friction is the force that opposes the motion between two surfaces in contact. It occurs when there is relative motion or an attempt of motion between the surfaces. Friction can be thought of as the opposite of slipperiness, as it prevents objects from sliding freely. It is responsible for the resistance experienced when trying to move objects on a surface and plays a crucial role in everyday activities such as walking, driving, and gripping objects.

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  • 15. 

    Moving a block across sandpaper, is a demonstration of ________________.

    • A.

      Friction

    • B.

      Gravity

    • C.

      Thermal energy

    Correct Answer
    A. Friction
    Explanation
    Moving a block across sandpaper involves the resistance experienced by the block due to the rough surface of the sandpaper. This resistance is known as friction. Friction is the force that opposes the motion or attempted motion of objects that are in contact with each other. In this case, the sandpaper provides the necessary friction to prevent the block from sliding easily, making it a demonstration of friction.

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  • 16. 

    When creating a roller coaster cart, rubber wheels cause more friction than steel wheels.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Rubber wheels cause more friction than steel wheels when creating a roller coaster cart. This is because rubber has a higher coefficient of friction compared to steel. The rough texture of rubber allows it to grip the track more effectively, resulting in increased friction. This friction is important for controlling the speed and movement of the roller coaster cart, ensuring a safe and thrilling ride. Steel wheels, on the other hand, have a smoother surface, which reduces the amount of friction generated.

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  • 17. 

    If an object has MORE mass (heavier) it has LESS potential energy.  (Hint:  Think of Moby vs. the snowplow)

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The explanation for the given correct answer is that if an object has more mass, it actually has more potential energy. This is because potential energy is directly proportional to mass. The greater the mass of an object, the greater its potential energy. Therefore, the statement that an object with more mass has less potential energy is false.

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  • Current Version
  • Feb 26, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 13, 2011
    Quiz Created by
    Annthill
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