Properties of Light
True or False: Light can travel through a vacuum.
True
What three colors are the primary colors of light?
Red, Green, and Blue.
What phenomenon causes a straw in a glass of water to look bent?
Refraction
What happens to the speed of light when it moves from air into water?
It slows down
Name the colors of the visible spectrum in order.
Red, Orange, Yellow, Green, Blue, Indigo, Violet.
What is the bending of light around an obstacle called?
Diffraction
What is the speed of light in a vacuum?
300,000 kilometers per second
What color do you see when all colors of light are combined?
White
What natural event creates a rainbow?
Refraction, dispersion, and reflection of sunlight in water droplets.