Labels:bulletin board | daily | earth | flower | hakham | mountain | person | plaything | sea | sidewalk | sky | traffic light | tree | tribute album | windowpane OCR: WHAT S LIGHT? HE FORM of energy that the human eye. We see objects when illuminates our PJO is called they reflect light into our eyes Light light Light and other electromagnetic travels at 186, 000 miles (300 000 km) radiation are emitted by hot per second in vacuum and nothing ener getic objects Light the only part can travel faster. ight consists tiny ofthe electrom agnetic spect trum (which packets of energy called quanta but includes microwaves, ultraviolet rays, these individual quanta can also be and X-rays) that can be detected by repre sented by waves Hong Kong at night Light produced electricity ca ROVS AND POLARIZATION DIFFRACTION AND OLSO almost turn night into day. SMaOWHS INTERFERENCE obiects world spectrum O0WHS
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