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B11 science 4/1/2011

QuestionAnswer
kinetic energy increases as mass increases or decreases as mass decreases
Wind turbines convert this kind of energy into electrical energy kinetic
radiation transfer of heat by electromagnetic waves
thermal energy the sum of the kinetic and potential energy of the molecules in a substance.
conduction the transfer of heat by particles colliding with each other.
conductor a substance that conducts heat
convection transfer of heat through movement of a heat or a liquid, this type of energy would be used to heat a pot on a stove. Wind is a form of natural convection
heat thermal energy transferred between 2 objects because of the difference in temerature
Water has a higher specific temperature than clay. What does this mean? Water will take longer to heat up. Water will also take longer to cool down.
specific heat the ammount of heat to raise 1` kg of a substnace 1 degree C
temperature the average kinetic energy of the particles of a substance.
engine converts thermal energy into mechanical energy
absolute zero part of the Kelvin Scale
Celsius Scale Temperature scale with 100 degrees between freezing and boiling of water
Fahrenheit Scale Temperature scale with 180 degrees between freezing and boiling of water
thermometer an instrument used to measure temperature, workes beacue liquids expand when they are heated
external combustion engine fuel is burned outside the engine. A Steam engine is an example.
internal combustion engine an engine that burns fuel in a chamber inside the engine
insulator a material through which heat does not easily flow.
thermal pollution a body of water warms from adding water.
How does heat move? From hotter to cooler substances
These are usually good conductors metals
A poor conductor will be a good insulator
radient energy is light energy
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