The Eye Radio Waves Microwaves and Infrared Visible Light Ulraviolet X-Rays and Gamma Rays Light Versus Matter Misc. 100 200 300 400 500
This convex part of the eye focuses and bends light to a focal point before projecting it upside down on the retina.
This part of the retina allows you to see colors while this part lets is used to see brightness or darkness.
This part of the eye has color and regulates the amount of light that enters the eye by relaxing or contracting.
This is the area of the eye where an image is projected and the image is usually ________.
The Cornea is the clear covering of the eye, and is this, meaning light is able to pass through a substance without being reflected or absorbed.
This type of wave is used in certain types of ovens, Wi-Fi devices, and Bluetooth to communicate between devices or cook food.
Cell phones call signals, cordless phones, remote control cars, CBs, TVs, music listening devices such as radios use this type of electromagnetic spectrum wave.
Water absorbs this type of electromagnetic spectrum wave very well which is why we use it to cook food very fast.
This type of electromagnetic wave is just below the human range of vision, but can be seen in the desert, on a road, waving above a car on hot days, or above a very hot stove. It is often used to cook food.
This type of electromagnetic spectrum wave has the longest wavelength.
This is the most useful part of the electromagnetic spectrum to mankind. This equals 50% of the Sun’s light and lets us see the environment around us.
This part of the electromagnetic spectrum lets us look inside of human bodies to find cavities, broken bones, foreign objects, and abnormalities in them.
Cancer doctors may use this type of electromagnetic spectrum wave to kill the infected cells. It also has the highest frequency and shortest wavelength.
Lasers use this form of light whose crests and troughs are parallel to each other.
Many people use this light in the summer from the Sun or in the winter from special beds to tan and bronze their skin. This type of light also helps the skin make Vitamin D, but too much of this light can be harmful to humans.
These types of materials do not allow light to pass through them and either absorb or reflect light that is striking them.
Light is doing this when objects underwater appear broken or further way than they really are because the photons of light are being slowed and bent by the water when they enter it.
When light or lasers bounce off a shiny surface, such as a mirror, they are doing this principle of mirrors.
The following are all examples of this type of material: clear glass, air, clear water spheres, clean water, and clear plastic.
This is when a mirror curves out providing a wide angle view. The opposite type of mirror curves inward and can show a magnified image of you or show you upside down.
This is the type of wave that the electromagnetic spectrum moves, and has the characteristics of crests and troughs.
These are shiny opaque objects that reflect light in the same direction that the light struck them.
This is an example of this type of light source.
The sky is blue during the day and in the morning and evening it turns to purple, yellow, orange and red because of this happening as the light from the Sun passes through the many layers of atmosphere. This can also describe why the Moon looks red on the horizon at night.
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