Light Up
Material World
Travel On
The Eyes have it
Picture This
100
What light conditions led to the best one-way mirror phenomenon?
Bright light on one side, no light on the other side.
100
Glass is:
-Opaque
-Transparent
-Translucent
Transparent
100
When light hits an opaque object it...
Reflects off of that object.
100
What part of the eye contracts or expands to let light in?
The pupil
100
Why do we see different things when looking at this same classroom window?
When the light is on in the classroom, the light reflecting off of us to the glass and back to the eye is less than the light transmitting through the glass from inside the classroom. When the light is off in the classroom, then the light reflecting off of us to the glass and back to the eyes is the stronger input.
200
What light conditions led to the worst one-way mirror phenomenon?
Light on both sides.
200
The silvered one-way mirror is:
-Opaque
-Translucent
-Transparent
Translucent
200
When light hits a transparent object it...
Almost all of the light passes through the object.
200
What is the colored part of the eye that controls the pupil called?
Iris
200
Imagine you were standing next to the photographer and you saw this image. What does the prominence of an object in the photograph tell you about the light that would be entering your eyes from it?
That light from inside the building is greater than the light on the outside. This light is then reflecting off of the customer, through the transparent glass, and into our eyes.
300
How could we change the light to make the one-way mirror phenomenon weaker?
Turn both lights on on both sides OR Turn both lights off on both sides.
300
If light hit your desk, an opaque object, it would.....
Reflect
300
What happens when light hits a translucent object like a one-way mirror?
Only some of the light passes through the object, the rest is reflected back.
300
What are the cells at the back of the eye that sense the light called?
Retina
300
What does the prominence of an object in the photograph tell you about the light that would be entering your eyes from it?
The outside light is slightly the more prominent light reflecting back to our eyes.
400
How could you change the light to make the one-way mirror phenomenon extra strong?
Turn one light on really bright, the other light is off.
400
What type of material worked best for our one way mirror phenomenon?
-Regular Mirror
-Silvered One-Way Mirror
-Glass
Silvered One-Way Mirror
400
Explain how the light travels to allow the music student to see himself but not the teacher.
The light reflects off of the student to the one-way mirror, about half of the light then reflects off the mirror and back to the student allowing him to see himself.
400
What do we call the nerve that transmits the electrical signal from the retina to the brain?
Optical nerve
400
What does the prominence of an object in the photograph tell you about the light that would be entering your eyes from it?
The outside light is slightly the more prominent light reflecting back to our eyes.
500
Light travels in a _______________ line.
Straight
500
What is an example of a real world material that works like the one-way mirror phenomenon?
Answers vary but could include:
-Car tint
-Bank Windows
-Sunglasses
500
How does the light travel in order for the music teachers to see the student but not see themselves?
The light reflects off of the student, travels to the one-way mirror, and about half of that light transmits through the one-way mirror to the teachers.
500
This organ unscrambles the electrical signal from the optic nerve.
Brain
500
What does the prominence of an object in the photograph tell you about the light that would be entering your eyes from it
The outside light is the more prominent light reflecting back to our eyes.