1
what is light?
a souce that lets us see.
could you live with light true or false
false.
when you look in a mirror you see light?
reflect ._.
what color is the sun
it has no color.
light from the sun travels at over _________
90 milion. but if you guessed lower your still kind of right.
how fast can the sun light ___ miles travel to the earth
it can do it in only 8 1/3 minutes!
Wavelength is?
the distance between one peak and the next in wave.
when you multiply the wavelength of a wave by its frequency,you get.
the speed of that wave
in a vacuum,travel fast it travels about___
300,000 km/s (186,000 miles)
a photon of red light has only__
0.00000000000000000003 J of energy.