Light In Our Lives Flashcards
Photon
A tiny bundle of light energy
Reflection
Bouncing of light rays in straight lines
Refraction
Bending of light rays as they go from one substance to another
Who invented electric light
Thomas Edison
Define light source
Things that make light
Make their own light
Is the moon or venus considered light sources
No, the light from the sun strikes them and bounces to the earth- to our eyes
What is reflected light
Bounced light
Things with smooth surfaces reflect more light than others
What happens to the light that is not reflected
It is absorbed
Explain why we see an object as black
It absorbed all the light
How does light travel
In straight lines
Explain the theory Max Planck created
Light is made up of extremely tiny bundles of energy called photons. Bundles of photons are called light rays. They travel away from the light source
