Save
Upgrade to remove ads
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Light Energy & Eye

TermDefinition
light a type of energy that travels as an electromagnetic wave
electromagnetic spectrum categorizes waves according to their frequency, wavelength, and energy
visible light the portion of the electromagnetic spectrum that is visible to the human eyes
reflection occurs when light waves bounce off of an object
refraction occurs when light waves bend as they pass from one medium to another
scattering an interaction of light with matter that causes light to change direction
absorption occurs when light waves transfer energy to particles of matter
color portion of the visible spectrum of light that is reflected back from a surface
prism a piece of glass or other transparent material cut with precise angles and plane faces, useful for analyzing and reflecting light
pigment An organic compound that gives a characteristic color to plant or animal tissues and is involved in vital processes
transverse wave a wave in which the vibrating element moves in a direction perpendicular to the direction of advance of the wave; light travels on this wave
pupil the black opening in the middle of the colored part of your eye
cornea the transparent layer forming the front of the eye.
iris the colored part of the eye that surrounds the pupil
lens transparent body situated behind the iris in the eye; its role (along with the cornea) is to focuses light on the retina
optic nerve A nerve at the back of your eye that connects to your brain
Created by: ckerley123
 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards