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40 Cards in this Set

  • Front
  • Back
material that does not allow light to pass through it
opaque
inventor of electric light bulb
Thomas Edison
material which allows light to pass straight through it
transparent
blue dresses appear blue because the dress is
reflecting blue light
material allows light to pass through it, but you cannot see objects on the other side of it
translucent
bending of light rays as they enter a new material
refraction
type of line light always travels in
straight
an object is black because
all the colors of the spectrum are absorbed by the object
a mixture of colored lights
white light
series of colored bands that are created when sunlight is separated
spectrum
name the colors of the spectrum in order
red, orange, yellow, green, blue, violet
mirror which bulges toward the viewer and makes things look smaller
convex
large bundle of fibers that carries the message of what the eye has seen to the brain
optic nerve
mirror which bulges away from the viewer and makes things look bigger
concave
structure behind the pupil that refracts and focuses the light it receives
lens
lens which refracts light rays and brings them into focus
convex
light-sensitive lining covering the inside of the eyeball
retina
lens which scatters light rays
concave
muscels that regulate the size of the pupil are found in
iris
draw and identify the following lens
concave
draw and identify the following lens
convex
opening that allows light to enter the eye
pupil
transparent layer covering the front of the eyeball
cornea
type of mirror Sir Isaac Newton's reflecting telescope used
concave mirror
type of vision in which both eyes work together to produce an image of the same object
binocular vision
What is the ability to do work called?
energy
extra layer of reflecting cells behind the retina that many nocturnal animals have
tapetum
What do you call the dark spot cause by an opaque object?
a shadow
Nearsighted people need glasses with what type of lense?
a concave lense
What instrument allows scientists to see tiny objects?
a microscope
Name the piece of glass that separates white light into the spectrum.
a prism
Name for man-made light.
artificial light
What are used in periscopes to enable their users to see around corners?
mirrors
Who discovered the spectrum?
Sir Issac Newton
Objects which give off light, such as fireflies or stars, are _____.
luminous
Name the three colors which are considered warm colors.
red, orange, and yellow
Name used for a curved piece of transparent material that makes things look smaller or larger.
lens
Name of the invisible light that causes sunburn.
ultra-violet light
Be able to discuss how your eyes plus light allow you to see objects.
See science text p. 89, last paragraph
Be able to explain why you see lightning flash before you hear the thunder.
See science text p. 74, 2nd column