Scott Foresman:Ch14 Forms of energy
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| ability to do work or cause a change | energy
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| energy due to motion | kinetic energy
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| energy that is not causing any changes now, but could cause changes in the future. | Potential Energy
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| energy that travels through space in the form of light and other types of energy. | electromagnetic radiation
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| the total of all the kinetic and potential energy of the atoms in an object. | thermal energy
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| transfer of thermal energy between objects that are in contact. | conduction
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| the movement of warm liquids or gases to cooler areas. | convection
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| three ways that heat moves | conduction, convection and radiation
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| movement of energy by electromagnetic waves | radiation
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| bends light light rays to make objects look larger. Thickest in the middle. | convex lens
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| thinner in the middle than the edges, It can bend light rays to make an object look smaller. | concave lens
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| bouncing of light or wave from a surface. ex: mirror...light still moves in a straight line. | refelction
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| bending of light or waves as it passes from one material to another. ex: when light enters a prism | refraction
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| sound moves slowest through what materials | areas of dry and cool air.
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| sound waves move fastest through what materials | through hot substances
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| what happens when sound waves in air hit a surface such as a wall or cliff? | some of the waves bounce or reflect back = echo
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| sound is a wave of vibrations that spreads from its source. | sound energy
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| how do sound waves travel | crests and frequency
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| sound is measured through what? | decibels
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| When an object has its greatest potential energy? | stretched rubber band, match box cars positioned on a track, hanging metal ball.
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| When is nuclear energy released? | when a proton is knocked out of an atoms nucleus.
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Or sort by any of the columns using the down arrow next to any column heading.
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