True or False: Glasses may vary in thickness and shape to accommodate various prescriptions.
TRUE!
A piece of glass that is a mirror on one side but that can be seen through like a window from the other side is a…
one-way mirror.
What happens when light shines on an object?
It reflects off, transmits through, or both, depending on the material.
*Sometimes it gets absorbed too!
A measure of the amount of light reflected by a material is the material’s…
brightness.
What is the primary material used to make a regular mirror?
Glass
What makes a regular mirror opaque?
The silver layer and paint layer on the back
Why can we see most objects around us?
Because they reflect some amount of light.
Silver-colored material used to coat glass to make it reflective is…
silvering.
A piece of glass that can separate white light is called a…
prism.
What is the primary reason that most of the light REFLECTS off the one-way mirror?
Thick silver layer
Light travels in…
a straight path.
Bounces off defines…
reflect.
What happens when light shines on a regular mirror?
The mirror reflects nearly all the light.
How is a one-way mirror different from both glass and a regular mirror?
It reflects and transmits light in almost equal amounts.
Which of the following items will REFLECT the most light?
mirrors, one-way mirrors, or glass
mirrors
A material that allows light to pass through so that objects behind can be seen is considered…
transparent.
Why is a piece of glass transparent, but not completely so?
It transmits most of the light but reflects some due to impurities and dust.
What process is involved in making a mirror by adding a thick layer of smooth metal on the back of the glass?
Which of the following items will TRANSMIT the most light?
mirrors, one-way mirrors, or glass
glass
The small but exact copy of something is a…
scale model.