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 (B)</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 (D)</p> Signup and view all the answers

Which type of substance is a good conductor of heat?

<p>Solid (C)</p> Signup and view all the answers

What is the unit of measurement for heat energy?

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

What is the study of stationary charges?

<p>Electrostatics (A)</p> Signup and view all the answers

What happens to the cold fluid in convection?

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

What is the primary difference between conduction and convection?

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

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

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

What is an example of energy conversion?

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

What is the usual state of charge in an object?

<p>Neutral (B)</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 (C)</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 (D)</p> Signup and view all the answers

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

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

What is formed when a charged object releases its charge?

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

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