Heat Transfer: Conduction and Convection
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Questions and Answers

What is the force that attracts objects with mass?

  • Heat
  • Gravity (correct)
  • Electrostatics
  • Current Electricity
  • What determines the strength of gravity between two objects?

  • Mass and distance of the objects (correct)
  • Size and material of the objects
  • Speed and direction of the objects
  • Shape and color of the objects
  • What is the term for the force field that exists around a mass?

  • Gravitational Field (correct)
  • Electrostatic Field
  • Current Field
  • Heat Field
  • What describes the average kinetic energy of molecules within a material?

    <p>Temperature</p> Signup and view all the answers

    What is the primary way heat is transferred in conduction?

    <p>Through the transfer of energy without moving the material</p> Signup and view all the answers

    Which type of substance is a good conductor of heat?

    <p>Solid</p> Signup and view all the answers

    What is the unit of measurement for heat energy?

    <p>Joules (J)</p> Signup and view all the answers

    What is the study of stationary charges?

    <p>Electrostatics</p> Signup and view all the answers

    What happens to the cold fluid in convection?

    <p>It becomes heavier and sinks</p> Signup and view all the answers

    What is the primary difference between conduction and convection?

    <p>The presence of movement</p> Signup and view all the answers

    What is the type of energy an object has when it's moving?

    <p>Kinetic Energy</p> Signup and view all the answers

    What is an example of energy conversion?

    <p>A ball dropping from a height</p> Signup and view all the answers

    What is the usual state of charge in an object?

    <p>Neutral</p> Signup and view all the answers

    What happens when there is an imbalance of positive and negative charge within an object?

    <p>Static electricity forms</p> Signup and view all the answers

    Why are neutral objects attracted to charged objects?

    <p>Because the charge can jump from one object to another</p> Signup and view all the answers

    What happens when a charged object comes into contact with another object?

    <p>The charge is released</p> Signup and view all the answers

    What is formed when a charged object releases its charge?

    <p>A spark</p> Signup and view all the answers

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