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Unit 6: Sound                                                                          Page 9

                       portion of the                                ·  Since we have two ears we

                       electromagnetic spectrum.                         are very good at determining
                                                                         the direction of a sound.
                   ·  Ears can detect sound waves.
                                                                     ·  Our ears are also very good
                   ·  Our antennae pick up the
                                                                         at telling the difference
                       energy, sound waves, heat,
                                                                         between sound frequencies.
                       or light. Our brain interprets
                       them.




































































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