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Energy Review
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Are Fossil Fuels an abundant source of energy?
No, they are non-renewable
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A material that does NOT easily transfer heat.
Insulator
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Burning wood in your fireplace transforms
chemical energy to heat energy
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What type of energy does the guitar produce when played?
Sound Energy
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A snowman melting in the sun is an example of what type of heat transfer?
Radiation
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What form of energy does the mixer use to blend ingredients?
Mechanical Energy
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What happens to Kinetic Energy as Potential Energy is decreased?
Increases
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The transfer of heat by the movement of currents within the fluid.
Convection
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Which point has the most potential energy?
W
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Two sources of INEXHAUSTIBLE energy are
Wind and Solar
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Kinetic energy is defined as energy in ____________.
motion
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What is the energy transformation of a toaster?
Electrical to heat energy
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Food contains what type of energy?
Chemical Energy
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What type of energy is this? (2)
Light and heat
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When a lion eats a zebra and then uses the energy from the zebra to run, the lion's body converts
chemical energy to mechanical energy
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At which position in the room should a heater be placed in order to warm the room uniformly?
closer to the floor (B)
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Heat transfers from warm to cold OR cold to warm? (think about if I put an ice cube in my hand)
warm to cold
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A material that easily transfers heat.
Conductor
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Eggs cooking in a frying pan is an example of what type of heat transfer?
Conduction
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Potential energy is referred to as ___________ energy.
stored
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Can energy be created or destroyed?
NO!!! Only transferred or converted
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Running on the track is an example of ________ energy.
kinetic
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Fossil fuels are considered nonrenewable resources because they
take millions of years to form
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How can you increase the potential energy of a bow an arrow?
Pull it back
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The three major fossil fuels are coal, oil, and
natural gas
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Wood is an example of a biomass fuel. True or false?
True
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