"Why are there so many songs about rainbows?" sings Kermit the Frog in a song (about rainbows) called "Rainbow Connection" from 1979's "The Muppet Movie." And it's not just songs that feature rainbows ...

Of his rainbow experiment Newton wrote that he had projected ... In his diagrams, which showed how colors corresponded to notes, Newton introduced two colors—orange and indigo—corresponding to half ...

When this happens, light becomes separated into a rainbow of colors—red, orange, yellow, green, blue, indigo (blue-violet), and violet. In this activity, you can make your own rainbow.