Heat

Concept Map
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Textbook
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Notes for teachers
When we touch something we often say it is hot or cold. Obviously we are referring to some property that feels different with respect to our own body and we refer to this as energy. We have also noticed that we feel hotness when we are near fire or a light or from the sun. The characteristic of matter we are referring to is the energy that is contained and transmitted; Every object possesses internal thermal energy contained in an object and this depends on the amount of the substance.

The transfer of this energy from one object to another is felt and described as heat. Heat thus refers to one of the forms in which the energy in an object can be transferred to its surroundings.

Yet another observation we can make with respect to heat is how hot or how cold an object is. The degree of hotness or coldness of an object is what we use to compare the heat energy contained in an object with respect to its surroundings. This degree of hotness or coldness is what we measure as temperature. How hot or cold something will determine how much energy it will give out to or receive from the environment.

Temperature of an object determines how much energy - heat - it will give out or receive.

Teaching Outlines
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Web Interactives
Interactive simulation on temperature. NSTA-Learning-Object

This lively video explains the difference between heat and temperature. How are the heat and temperature related? Comparing heat energy and degree of temperature
One more video on the same topic of Heat and temperature.

Fun corner
Usage

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