ONLY FIVE MINUTES AGO,IT WAS FINE AND SUNNY.NOW IT IS RAINING ! BUT THE SUN HAS NOT GONE AWAY.IT IS PLAYING HIDE AND SEEK BETWEEN THE CLOUDS.
SUDDENLY-THERE IT IS AGAIN............AND WHAT BEAUTIFUL COLORS APPEAR IN THE SKY......A RAINBOW!
AS THE RAIN FALLS,THE LIGHT OF THE SUN IS REFLECTED IN THE RAINDROPS SUSPEND IN THE SKY,MAKING AN ARCH OF SEVEN DIFFERENT COLORS.
LEARN THE COLORS IN THEIR ORDER,AND YOU COULD DRAW A RAINBOW!THEY ARE--RED,ORANGE,YELLOW,GREEN,BLUE,INDIGO AND VIOLET.
ALL THESE COLORS TOGETHER ARE CALLED THE SPECTRUM.AND WHEN THEY SEPARATE,THERE IS NOTHING.
WHAT ABOUT ANOTHER WAY TO SEE A RAINBOW-THIS TIME,IN YOUR OWN HOME?
TAKE A SMALL MIRROR AND DIP IT IN A GLASS OF WATER .
THEN MOVE IT UNTIL THE LIGHT FROM THE SUN FALLS EXACTLY ON TO THE MIRROR.
PUT A SHEET OF PAPER UNDER
THE REFLECTED LIGHT,AND YOU WILL SEE THE SEVEN COLORS OF THE RAINBOW.
OR TRY ADDING A FEW DROPS OF OIL TO A BASIN OF SOAPY WATER READY FOR BUBBLE-BLOWING!
SOME BUBBLES WILL BE BIG,SOME SMALL--BUT YOU WILL SEE THE RAINBOW COLORS
IN EVERY ONE,UNTIL THEY INTO NOTHING..
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