What is the main source of light on Earth?
The study of light is known as --------.
What phenomenon is caused by light being refracted by water droplets?
What natural light display is often visible in the Arctic night sky?
What insect is best known for light production by bioluminescence?
Visible light exhibits properties of both waves and --------.
Light with wavelengths of 400-700 nanometers is called -------- light.
Light with longer wavelengths is called ---------- light.
What kind of electromagnetic radiation did Wilhelm Rontgen discover?
ANSWERS
The sun
Optics
Rainbow
Aurora (northern lights, aurora borealis)
Firefly
Particles
Visible light
Infrared light
X-rays
ActiveStyle on 03/19/2018