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Energy ZAP!
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In all reactions, physical or chemical, which two quantities are always conserved?
Mass/matter and energy
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1.Wind forces the turbine to spin.
2.The spinning turbine makes electrons move in the generator. 3.The energy is then delivered to homes via power lines. Which describes the transformation of energy? Mechanical to electrical Kinetic to potential Mechanical to thermal Chemical to electrical
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At which point would the ball have maximum gravitational potential energy?
F A G
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Describe energy transformation
Chemical to Mechanical/Thermal
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Potential or kinetic? KINETIC
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Conduction, convection or radiation?
1. Conduction: feet touching hot asphalt 2. Radiation: heat from the sun warming her
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Describe the energy transformation
Chemical to electrical/radiant/thermal
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Which picture shows the particles with the least energy?
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Name the five types of kinetic energy
THERMAL ELECTRICAL RADIANT MECHANICAL SOUND
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Describe the energy transformation
Electrical to sound, thermal, radiant
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Heat is a transfer Of kinetic energy Of thermal energy
Of electrical charge From cooler object to warmer object
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Maximum or minimum kinetic energy?
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Which way does the heat travel
Which way does the heat travel? From girl to water or from water to girl? From WARMER girl to COOLER water
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When energy transfers from one form to another, ____________ .
it is created, but never destroyed it is never created or destroyed it is destroyed, but never created it is always created or destroyed
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Conduction, convection or radiation?
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Kinetic or potential? KINETIC
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NAME THE FOUR TYPES OF POTENTIAL ENERGY
CHEMICAL STORED MECHANICAL NUCLEAR GRAVITATIONAL
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