Investigating God's World Test 3
convex lens
a lens which refracts light rays and brings them into focus Looks something like this: (_)
concave lens
a lens which scatters light rays. Looks something like this )_(
convex
a mirror which bulges toward the viewer and makes things looks smaller
white light
a mixture of colored lights
prism
a transparent object that separates colors in white light by bending them in different directions
pupil
allows light to enter your eye
transparent
allows light to pass straight through it completely
luminous
an object that produces its own light
absorbs
an object will look black if it ? all the colors of the spectrum
reflects
an object will look white if it ?_____ all the colors of the spectrum
cornea
at the front of the eyeball, a transparent layer that protects the eye
infrared light
beyond the red end of the spectrum, heats the objects it strikes
cool colors
blue, green, & violet
rainbow
colored arch across the sky. Red, Orange, Yellow, Green, Blue, Violet
incandescent bulb
contains w/in a tightly sealed glass bulb a thin wire made of the metal tungsten
opaque
doesn't let light pass through it
light
energy moving through space from its source to an object, and then from that object to our eyes.
focuses
gathering them together in one place
straight line
how light travels
Galileo
improved the simple telescope
retina
inside of your eyeball is covered w/ a lining
Thomas Edison
invented the lightbulb
optic nerve
large bundle of fibers carrying messages to the brain
compound eyes
large eyes of a housefly
translucent
light goes through it, but you cannot see objects on the other side
concave
r mirror that bulges away from the viewer make things look bigger,
warm colors
red, orange, & yellow
iris
regulates the size of your pupil when necessary. It is the color of your eye.
spectrum
series of colored bands created when sunlight is separated
reflector
something that bounces the light back
shadow
spot of darkness cast by an opaque (dark) object
energy
the ability to do work, or to cause an object to move
refraction
the bending of light as it enters new material
reflection
the bouncing back of light; always travels in a straight line. A blue object appears blue because it is reflecting blue light.
Anton van Leeuwenhoek
the inventor of the microscope
lens
the structure behind the eye that refracts and focuses the light it receives
Sir Isaac Newton
using a concave mirror and a convex lens with his reflecting telescope
black
when all the colors of the spectrum are absorbed by an object it creates this color
binocular vision
when eyes on animals or humans work together to produce an image of the same object
telescope
2 lenses a distance apart in a tube
binoculars
2 small telescopes put together, 1 for each eye
Han Lippershey
A Dutch spectacle maker who invented the telescope
speed of light
Light moves at 186,000 miles per second
tapetum
Nocturnal animals have an extra layer of these cells behind the eye, allowing them to see in the dark.
ROY G. BV
The order of colors in a rainbow. Red Orange Yellow Green Blue and Violet
monocular vision
many animals can see in two directions at one time and have ____________________.
