Page 243 - Science Course 3 (Book 1)
P. 243

Mo7-L1b: What are the Forms of Energy?




                Sound Energy

                energy carried by sound waves.
                                                                  Nuclear Energy
                     Amplitude                 Louder             energy stored in and
                                                                  released from the
                                                                  nucleus of an atom.

                 Amplitude


                    Lower Pitch             Higher Pitch

                                                                  Let’s Begin




                                                                  Energy and Work
                Thermal Energy                                    Work is the transfer of energy that occurs when a
                the sum of the kinetic energy and the potential    force is applied over a distance.
                energy of the particles that make up an object.
                                                                  Work depends on both force and distance.

                                                                  You only do work on an object if that object moves.





                                                                                     Object
                                                                     Direction                  Direction of movement
                                                                     of Force                    as a result of forces





                Electric Energy
                energy carried by an electric current.





                                                                  The guy does work on the box as he lifts it. The work
                                                                  he does transfers energy to the box. The colored
                                                                  bars show the work that the guy does (W) and the
                                                                  box’s potential energy (PE).







                Radiant Energy
                energy carried by an electromagnetic wave.       PE  W             PE  W          PE  W












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