This week, in class, we have "met" Sir Isaac Newton, one of the most important scientists in history.
Why has he appeared in our lessons? Because our topic for these days is LIGHT, and he made a huge discovery! He discovered that WHITE LIGHT is made up of many colours:
RED, ORANGE, YELLOW, GREEN, BLUE, INDIGO and PURPLE.
Don't you believe that? Then, try to do this experiment at home: