Temperature Control and Ventilation
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Questions and Answers

What is necessary for conduction to occur?

  • A fluid medium
  • A vacuum
  • A heat source
  • Direct contact between substances (correct)

    • What happens to particles when a substance is heated?

  • They change state from solid to liquid
  • They start moving in a circular motion
  • They slow down and lose energy
  • They gain energy and vibrate more (correct)

    • What type of materials are good at conducting heat?

  • Liquids
  • Gases
  • Metals (correct)
  • Thermal insulators

    • How does conduction transfer energy?

    <p>Through direct contact and particle vibration</p> Signup and view all the answers

    What is the result of conduction in a substance?

    <p>Heat is transferred from one end to the other</p> Signup and view all the answers

    What is the purpose of a thermal insulator?

    <p>To reduce heat transfer</p> Signup and view all the answers

    What is the primary method of heat transfer that occurs in convection?

    <p>Rising of warmer areas of a liquid or gas</p> Signup and view all the answers

    What happens to the warm air above the land during the day in the formation of a sea breeze?

    <p>It rises because it is less dense</p> Signup and view all the answers

    What is an example of convection in everyday life?

    <p>Water boiling in a pan</p> Signup and view all the answers

    What is formed during the night, when the land is cooler than the sea?

    <p>Land breeze</p> Signup and view all the answers

    What replaces the warm air that rises during convection?

    <p>Cooler air from the surrounding environment</p> Signup and view all the answers

    What type of radiation is often associated with heat transfer?

    <p>Infrared radiation</p> Signup and view all the answers

    What is the primary mechanism behind conduction?

    <p>Direct contact between atoms or molecules</p> Signup and view all the answers

    What is not a characteristic of conduction?

    <p>Involves electromagnetic waves</p> Signup and view all the answers

    Which of the following is an example of conduction?

    <p>Heat from a stove to a pot</p> Signup and view all the answers

    What is the main difference between conduction and radiation?

    <p>Conduction requires a medium, radiation does not</p> Signup and view all the answers

    Why is conduction more effective in solids than in gases?

    <p>Because atoms are more closely packed in solids</p> Signup and view all the answers

    What is a key advantage of conduction?

    <p>It is very efficient in solids</p> Signup and view all the answers

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