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the transfer of thermal energy caoused by particles of matter bumping into each other


a force that keeps objects that are touching each other from sliding past each other easily


a material that electric current can pass through easily


a material that curent cannot pass through easily

electric current

a flow of electric charges


a path that is made for an electric charge


a material that resists that flow of current but does not stop it

electric cell

a device that supplies energy to move charges through a cell

series circuit

a circuit that has only one path for current

paralled circuit

a circuit that has more than one path along which current can travel


an object that attracts certain materials, such as iron or steel

magnetic pole

the end of a magnet

magnetic field

the space all around a magnet where the force of the magnet can act


an arrangement of wire wrapped around a core, producing a temporary magnet


nutrients that should be your main source of energy each day


nutrients that give you energy and help build and repair cells


the nutrients that give you the greatest number of calories for the amount of food eaten

balanced diet

food choices that give you the amounts of different nutrients you body needs.

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