Shared Flashcard Set

Details

Chapter 6
Light
28
Science
4th Grade
12/06/2011

Additional Science Flashcards

 


 

Cards

Term
A dark shape caused when an object blocks light
Definition
shadow
Term
A shadow will be on the ___ side of an object as the light source
Definition
opposite
Term
A substance that blocks all light rays
Definition
opaque object
Term
A transparent material used to bend light
Definition
lens
Term
All the colors that make up light
Definition
visible spectrum
Term
An object that allows some, but not all, light rays to pass through
Definition
translucent
Term
Bends light inward
Definition
convex lens
Term
Bends light outward
Definition
concave lens
Term
Colors that are reflected by the objects around us
Definition
the colors we see
Term
Formed when an opaque object blocks light
Definition
shadow
Term
Light and heat are ___
Definition
related
Term
Light travels in straight lines called
Definition
rays
Term
Made up of many colors
Definition
white light
Term
Objects that allow all light to pass through
Definition
transparent
Term
Objects that can make their own light
Definition
luminous
Term
Objects that cannot make their own light
Definition
nonluminous
Term
The back part of the eye where an image forms
Definition
retina
Term
The bending of light as it passes from one substance to another
Definition
refraction
Term
The bouncing of light off an object
Definition
reflection
Term
The opening in the iris that allows light to enter the inside of the eye
Definition
pupil
Term
The order in which light enters the eye
Definition
1. cornea
2. pupil
3. lens
4. retina
Term
The part of the eye that refracts light to focus it
Definition
lens
Term
The part of the eye that sends messages to the brain
Definition
optic nerve
Term
The transparent, curved covering in the front of the eye
Definition
cornea
Term
Things that use lenses
Definition
eyeglasses
microscopes
magnifying glasses
telescopes
Term
Used to correct farsightedness
Definition
convex lens
Term
Used to correct nearsightedness
Definition
concave lens
Term
When a shadow is shortest
Definition
at noon
Supporting users have an ad free experience!