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The ability to do work is?
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energy.
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The energy of motion?
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Kinetic energy
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What is stored energy due to its position or condition?
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Potential energy
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The sum of Potential energy and kinetic energy is?
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Mechanical energy
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Gravitational Potential energy depends on what two things?
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Height off the ground and weight
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Heat energy is known as
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Thermal energy
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Energy of a reaction between elements or anything burning is known as?
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Chemical energy
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When electrons move it creates this type of energy
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Electrical energy
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Energy created by vibrations through the air
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Sound energy
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Energy created by vibrating charged particles?
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Light energy
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Energy created by fusing or splitting of atoms
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Nuclear
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When one energy is transformed to another type of energy this is known as a ____ _____.
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Energy Conversion
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This law states that energy can never be created nor destroyed only transferred
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Law of conservation of energy
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A natural resource that can be easily replaced is known as
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Renewable
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A natural resource that is not easily replaced and may take millions of years to replace
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Non renewable
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3 fossil fuels are
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Coal Petroleum ( Oil ) Gas
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The alternate energies that are renewable are?
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Solar, Wind, Geothermal, Biomass, and Water
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4 Non renewable resources are
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Nuclear energy from Uranium Coal Oil Gas
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The measure of average kinetic energy of particles
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temperature
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The transfer of energy from warmer objects to cooler objects
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Heat
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An increase in volume of a substance due to an increase in temperature is known as Thermal _____.
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Thermal Expansion
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When atoms move faster and spread out due to an increase in temperature this is known as the ____ theory of matter.
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Kinetic theory of matter
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The transfer of thermal energy by direct contact is known as
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Conduction
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The transfer of thermal energy through the movement of matter (fluids – liquids or gasses)
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Convection
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Warm air or water rises because it is ____ ____ and cooler air or water sinks because it is ___ ____.
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Warm air or water rises because it is less dense and cooler air or water sinks because it is more dense.
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The total energy of a atoms in a substance is known as ____ energy
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Thermal energy
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The average kinetic energy of atoms in a substance is ___
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Temperature
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Solid changing to a liquid is
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Melting point
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A gas changing to a liquid as energy is released is
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condensation point
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Boiling Point of water is ____degrees Celsius ____ degrees Fahrenheit
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Boiling Point of water is 100 degrees Celsius 212 degrees Fahrenheit
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Going from a liquid to a solid where energy is released is ____point
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Freezing Point
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Freezing Point of water is ____degrees Celsius ____ degrees Fahrenheit
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Freezing Point of water is 0 degrees Celsius 32 degrees Fahrenheit
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The amount of heat needed to heat 1 g of substance 1°C
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Specific Heat
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Reduces the flow of heat by conduction, convection, & radiation.
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Insulation
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What instrument is used to measure specific heat
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A calorimeter
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Are pictures used to detect thermal energy
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thermographs
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R - value measures the effectiveness of insulators what R-value should we use for walls? Ceilings?
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R-value for walls = R-19 R-value for ceilings = R-30 to R-44
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If both have the same temperature, which has more thermal energy… a cup of water or a lake
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The lake because it has more mass, thus more thermal energy!
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