Eyes
Light perception occurs in a part of the eye called the _______.
Retina
What happens to the colors that aren't reflected?
They get absorbed
Two types of light detecting cells
rods & cones
Frequency of the waves of light our eyes detect
color
Another word for repetitive
periodic
How many types of cones are there?
3
Explanation for why we see black
black absorbs all colors/frequencies
Rods help us see in what kind of light condition?
low light
What is the lowest frequency of light
Red
A way to measure how frequent the waves are
frequency
What are the types of cones?
Red, green, blue
What happens to absorbed frequencies?
The energy turns into heat
What combination of light frequencies make yellow?
Red & green
What is the highest frequency of light?
Purple
Frequencies between red and purple
Visible Spectrum
White is the reflection of all colors/frequencies
Why do we get hot if we wear black on a sunny day?
black absorbs frequencies and creates heat.
What colors are built into televisions?
Red, green, blue
What colors of light does the sun emit?
What is color like?
a wave
How do we see yellow without yellow detecting cones?
The red and green cones are activated at the same time
Color is a ______ property of light itself
Physical
What do our eyes see in low light conditions?
Presence or absence of light..... or gray, white, and black
Why does the pencil look yellow?
Because it reflects yellow light more.
How long it takes a wave to go through it's full range of motion once
Period