Temperature is a measure of how hot or cold a substance feels and it is measured in degrees Celsius (°C).
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15
What three things make up an energy system?
1. INPUT 2. PROCESS 3. OUTPUT
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When you boil water is energy created?
No energy has been created, it has been transferred.
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What are good and bad absorbers of RADIANT HEAT?
Dark, matt surfaces are good absorbers of radiant heat. 2. Light and shiny surfaces are poor absorbers of radiant heat. Light, shiny surfaces reflect heat.
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The amount of kinetic energy an object has depends on what 2 things?
The mass (m) of the object and the speed (v) of the object.
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What is an Energy system?
In an Energy System, energy is TRANSFORMED from one form into another.
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What is RADIATION in HEAT?
Radiation is the transfer of energy where objects do not have to be physically touching. Like the sun radiates heat.
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What happens in CONDUCTION in HEAT?
During conduction, the objects must be touching each other for energy transfer to take place.
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What happens in a THERMAL ENERGY SYSTEM?
Thermal energy is transferred from one object to another.
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What is THERMAL ENERGY?
The energy that comes from the temperature of the heated substance.
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What are good CONDUCTORS and bad CONDUCTORS of HEAT?
1. Metals are good conductors of heat. Non-metal materials are good insulators of heat. Non-metals, like plastic are bad conductors of heat.