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Thermal Physics and Kinetic Theory

Nature of Heat Review Quiz

Vacuum flask

The vacuum flask keeps your food or drink hot or cold. It was designed in such a way to keep heat from escaping from the hot contents to its surroundings or to prevent heat transferring from the surroundings heating up the… Continue Reading →

The greenhouse effect and global warming

A greenhouse is a small glass building that is used for growing plants to protect them from the cold. Understanding how it works to trap heat can help you to understand global warming because the principles are the same. Two key things to… Continue Reading →

Convection

Convection is the flow of heat in a liquid or gas from a region of high temperature to a region of lower temperature where the whole medium moves and carries heat energy with it. It is caused by a change in… Continue Reading →

Radiation

Radiation occurs when heat transfers from a high temperature region to a lower temperature region without the movement of particles. Therefore radiation can travel though a vacuum, i.e. it does not need a physical medium such as a liquid or… Continue Reading →

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