Transcript File - science

Vocabulary
Reflection
and Mirrors
Refraction
and Lenses
Colors
Seeing and
Using Light
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A material that
scatters light as it
passes through.
What is
translucent?
An image of a distant
object caused by
refraction of light as it
travels through air of
varying temperature.
What is a
mirage?
The hole
through which
light enters the
eye.
What is the
pupil?
A condition
that causes a
person to see
distant objects
as blurry.
What is being
nearsighted?
Daily Double
A device that
produces
coherent light.
What is a
laser?
3 things that
can happen to
light when it
strikes an
object.
What is be
reflected,
absorbed, or
transmitted?
What happens
when parallel
rays of light
hit a bumpy
surface
What is
diffuse
reflection?
A flat mirror
What is a
plane mirror?
A mirror
that
Daily
Double
can form
either virtual
images or real
images
What is a
concave
mirror?
The type of image
formed when rays
actually meet at a
point; this image
will be upside
down
What is a real
image?
The measure of
how much a ray
of light bends
when it enters a
new medium.
What is index
of refraction?
Order of
colors in a
rainbow
What is ROY G
BIV; red,
orange, yellow,
green, blue,
indigo and
violet?
Lens that is
thinner in the
center than at
the edges
What is a
concave lens?
Color of beam
of light when
all are mixed
together
What is
white?
The type of lens
that is thicker in
the center than
at the edges.
What is
convex?
Reason we see
an orange as
orange.
What is because
the color orange
is reflected
while the rest
are absorbed?
The color seen
when all light
is reflected
What is
white?
The color seen
when all light
is absorbed
What is black?
Three colors
that can be
used to make
any other
color
What are the
primary
colors?
Red, green,
and blue
What are the
primary colors
of light?
The layer of
cells lining the
inside of the
eyeball
What is the
retina?
Light sensitive
cells which
respond to
colors.
What are
cones?
Instrument which
uses a combination
of lenses
to
produce
Daily Double
and magnify an
image
What a
microscope?
Long, thin strands of
glass or plastic that can
carry light for long
distances without
allowing the light to fade
out.
What are
optical fibers?
A three
dimensional
photograph created
by using the light
from a laser
What is a
hologram?