112335
Descripción
Mapa Mental por KMansfield699, actualizado hace más de 1 año
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Creado por KMansfield699
hace más de 11 años
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Heating Homes
- Heat energy is needed to increase the
temperature of an object. The amount
of energy needed depends on the mass
of the object, the type of material it is
made from, and the temperature
increase.
- Heat energy is absorbed when substances melt or boil, but the temperature does
not alter during a change of state. The amount of energy needed to melt or boil
something depends upon the mass of the object and the material it is made from.
- Temperature and heat are two different
things. Temperature = measure of how
hot something is. Heat = measure of
thermal energy contained in an object.
- Temperature is
measured in
degrees. Heat is
measured in J.
- Infrared radiation = type of radiation emitted by all objects.
- Thermal imaging cameras can detect infrared radiation. The
images they produce are called thermograms. False colours are
added to a thermogram to give an indication of how hot each
object in the image is.
- Hottest parts = white, yellow or red.
- Coldest parts = purple, dark blue or black.
- Coldest parts = purple, dark blue or black.
- Hottest parts = white, yellow or red.
- Heat energy flows from a hot object to a cooler
one. This causes hot objects to cool down and
cool objects to warm up. When heat energy is
transferred to an object, its temperature
increase depends upon the mass of the object,
the substance the object is made from and the
amount of energy transferred to the object.
- For a particular
object, the more heat
energy transferred to
it, the greater it's
temperature increases.
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