The sun and a flashlight.
What is a light source?
A material that allows light to go through.
What is transparent?
This is how light travels.
What is in straight lines?
This is what happens when light hits glass.
What is mostly transmits?
This is where light enters the eyes.
What is the pupil?
Bounces off
What is reflect?
A material that does not allow light to pass through.
What is opaque?
This is what happens when light hits a mirror.
What is reflect?
This part of the one-way mirror reflects light back.
What are the shiny silver parts?
This controls the size of the pupil.
What is the iris?
Goes through
What is transmit?
A piece of glass that is a mirror on one side and like a window on the other.
What is a one-way mirror?
What are impurities?
What is a scale model?
This focuses the light on the retina.
What is the lens?
Small but exact copy.
What is a scale model?
Silver -colored material that is used to coat glass to make it reflective.
What is silvering?
This is the process that turns glass into a mirror.
What is silvering?
Walking in the hallway.
What is a norm?
The retina turns light it to these.
What are electrical signals?
Something that is agreed upon and expected by a group of people.
What is a norm?
This is added to the back of a mirror to make it opaque.
What is paint?
A one-way mirror works best in these light conditions.
What is with a big difference in light?
A book is this type of material.
What is opaque?
Electrical signals travel along this.
What is the optic nerve?