This is the only source of energy we can see.
Light is the only source of energy we can see.
Rod cells are extra _______ to light.
Rod cells are extra sensitive to light.
This word means you cannot see them.
Microwaves and Infrared are forms of light invisible to the human eye.
Light waves always travel in this kind of line.
Light waves always travel in a straight line.
This part of the eye is extra sensitive to light.
Rod Cells are extra sensitive to light.
These are used in ovens to cook food.
Microwaves are used in ovens to cook food.
This is made when light is blocked by an opaque obstacle.
A person's body is opaque and creates a shadow when it blocks light.
This part of the eye can see colors.
Cone Cells can see all the colors of the rainbow.
These use infrared to see in the dark.
Night vision goggles use Infrared light to see in the dark.
Light passes through this kind of obstacle.
Light passes through transparent obstacles.
This part of the eye has rods and cones.
The retina has special cells called rods and cones.
Infrared light sends images of clouds to these.
It is used to deliver information to weather sattelites.
Light bounces off of this.
Light bounces off of reflective obstacles.
There are 6 "this" number of cone cells.
There are 6 million cone cells in the human eye.
These people receive information from weather sattelites.
Meteorologists receive information from weather sattelites.