What Birds

We are currently talking about light and color. I say to the class:

"White light is composed of all the different colors of the rainbow. Each color has it's own unique wavelength. Each waves carries is own unique amount of energy. Different materials, like fabric, absorb differrent wavelengths of visible light. The fabric kicks the others out. A "red" shirt absorbs orange, yellow, green, blue, and purple and kicks out the red we see. So if you think about it, the red in that shirt is the only color that this shirt isn't"

.....pausing for effect here.....

And BAM! my students turn into What Birds. Their swish their heads and bodies side to side in their desk and say


"What?"...."Wait"...."What?"...."What?"....

It just cracks me up to see 7 or 10 kids doing that all at once....