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Science words. By Hannah Clausen

STUDY
PLAY
Object's image
A picture of an material that is reflected from the mirror.
Plane mirror
A piece of special flat glass that reflect images, you can see yourself when looking in.
Law of reflection
When object bounces on that flat surface, he angle of where it came is same as the angle to where it goes.
Rays
Each of the lines in which light, as straight line in which light or other electromagnetic radiation travel to a given point.
Concave mirror
A mirror that is curved inwards like a cave.
Convex mirror
Bulging outward mirror.
Reflection
The return of light, heat, sound, etc., after striking a surface.
Refraction
To make light change direction when it goes through at an angle.
Absorption
The process or action by which one thing absorbs or is absorbed by another.
Lens
A piece af glass or a transparent substance that is curved.
Converging lens
Lens which is thickest in the middle.
Diverging lens
A lens that causes a beam of parallel rays to diverge after refraction.
Prism
Optical device having a triangular shape and made of glasses or quartz.
Spectrum of colours
A spectrum is a band of colours which looks like the rainbow, this is produced by a prism and light.
Filter
A porous article or mass (as of paper or sand) through which a gas or liquid is passed to separate out matter in suspension.
Cornea
The transparent part of the external coat of the eye.
Lens (eye)
The lens is a transparent, biconvex structure in the eye.
Retina
The innermost light-sensitive membrane covering the black wall of the eyeball.
Optic nerve
The optic nerve is the eye that connects to the brain.
Pupil
The expanding and contracting opening in the iris of the eye, through which light passes to the retina.