Monday, April 16, 2012

DIGESTIVE SYSTEM



Lets sing a song..... FOOD DIGESTION....by JOHN HOM







Friday, February 10, 2012

REFRACTION OF LIGHT



Light travel from denser medium (water) to less dense medium will bend away from normal

light travel from less dense (air) to denser medium (water) will bend towards normal





example of refraction of light



CLICK THIS VIDEO TO UNDERSTAND REFRACTION OF LIGHT