1) Ability to do work. a) energy b) energy transformation 2) one form of energy changes to another. a) energy transfer b) energy transformation c) electrical energy 3) energy of electrical charges; powers devices a) nuclear energy b) mechanical energy c) electrical energy 4) Energy created by splitting of atoms a) nuclear energy b) solar energy c) geothermal energy 5) nonrenewable energy source (coal, oil, natural gas, petroleum) a) photosynthesis b) fossil fuel c) chemical energy 6) energy created by the sun a) mechanical energy b) chemical enery c) solar energy 7) resources that can be made over and over again a) renewable b) nonrenewable 8) resources that have to be made again before use a) renewable b) nonrenewable 9) energy that is created from the breaking of chemical bonds a) solar energy b) mechanical energy c) chemical energy 10) energy of moving objects a) mechanical b) chemical c) nuclear 11) Transfer of energy through a solid substance or by direct contact a) radiation b) convection c) conduction 12) Transfer of energy through a liquid or gas a) conduction b) convection c) radiation 13) Transmission of energy in electromagnetic waves a) radiation b) convection c) conduction 14) Light with shorter wavelength than visible light; causes sunburn a) infrared light b) ultraviolet light c) electrical conductor 15) Occurs when a wave bends around a object a) reflection b) wavelength c) refraction 16) A state of equality or balance between two things a) conduction b) equilibrium  c) convection 17) Energy of motion a) kinetic b) potential c) nuclear 18) stored energy a) kinetic b) potential c) thermal 19) Moves electrical energy from place to place through direct contact a) thermal conductor b) electrical conductor 20) Occurs when the energy from a wave is taken up by another object a) radiation b) transmission c) absorption

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