Vocabulary
What does the word transmit mean?
to pass through
True or False: Light travels in straight lines.
True
What does transparent mean?
Can partially see through - Some light reflects, some light transmits.
Where is the retina located?
In the back of the eye
True or False: In order for a one way mirror to work, there needs to be light in each room.
False
What does the word reflect mean?
to bounce back, not being absorbed
What does transparent mean?
Can completely see through - all light transmits.
What does the word impurities mean?
contaminated
Name three sources of light.
Answers may vary
Give an example of an opaque material.
Answers may vary.
How does the retina contribute to the process of vision?
It turns light into electrical signals?
What does nearsighted mean?
You can see things near you, but you cannot see far away.
What material is placed behind a regular mirror to ensure that no light passes through?
Opaque
How do eyeglasses help correct vision problems?
By allowing the eye to focus light in the right spot on the retina
What does farsighted mean?
You can see far away but not things that are close by.
What happens to the one way mirror once the silvering is sprayed on it?
Some light reflects and some light transmits because of the gaps in the silvering.