עמוד:8

Elastic energy The energy possessed by a flexible body when stretched or compressed is elastic energy . Nuclear energy The energy binding the particles in an atom’s nucleus is nuclear energy ( all materials are made up of tiny invisible particles called atoms ; atoms contain other particles ) . Today atomic energy is used to power nuclear reactors that generate electricity . Nuclear reactors are used in many countries around the world to produce electricity .

מטח : המרכז לטכנולוגיה חינוכית


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