Materials
This material has no silvering
Plain glass
Who was the sloth?
Pete!
The outermost layer of the eye.
Cornea
The only material we tested that did not both reflect AND transmit light.
A regular mirror
When light travels through a material.
Transmit or transmission
Having lights on for both sides of a one-way mirror makes it act like a...
Window
Who was the Yankee gnome?
The music teacher
This controls the size of the pupil.
The iris
This carries messages about light from the eye to the brain.
Optic nerve
When light bounces off a material.
Reflect or reflection
Name one material that is opaque.
Lots of answers, including walls, steel, wood, floors, etc.
What was found in between the two rooms of the box model?
A one-way mirror
What glasses help our eyes do.
Focus light
Directly behind the pupil.
Lens
Receives focused light in our eyes
Retina
Name one material that is translucent.
What happened when the light was off in the gnome's room but the light was on in the sloth's room?
The sloth saw itself, but the gnome saw the sloth
Glasses used to be made up of...
Glass!
If you want a one-way mirror to act like a regular mirror, you need a ______________ between the two rooms.
Large light differential
The shiny stuff that coats the back of a regular mirror.
Silvering or full silvering
If water is normally transparent, how could you make it opaque?
Freeze it!
What lighting situation would have to exist if they couldn't see each other?
The lights would have to be off in both rooms
If you need glasses or contacts, it's because your eye isn't completely...
Round or spherical
Explain why the music teacher sees Pete, even though the light in her room was off.
She sees him because there is a large light differential between the two rooms, so some of the light from Pete's room bounces off him and transmits through the one-way mirror to her eyes. If the large light differential didn't exist, she would see things differently.
A material that lets no light through.
Opaque