Investigating God's World-Chapter 3
energy
ability to do work
transparent
allowing light to pass straight through
Where is your eye's lens?
behind the pupil
refraction
bending of light rays as they enter new materials
infrared light
beyond the red color on the spectrum that heats objects it hits
reflection
bouncing of light
ultraviolet light
color beyond the violet end of the spectrum that causes tanning and sunburn
iris
colored part of eye that adjusts the size of the pupil
spectrum
colors of sunlight separated into individual colored bands
ROY G BIV
colors of the spectrum in order
Which mirror focuses light by gathering them together in one place?
concave mirrors
Anton van Leeuvenhoek
developed an early version of the microscope
transluscent
diffuses or scatters light as it passes through
opaque
does NOT allow light to pass through
monocular vision
each eye works independently, most animals have this type of vision
light
energy moving through space from its source to an object, then from that object to our eyes
bees, butterflies, and reptiles
have color vision
186,000 mps
how fast does light travel?
object appears BLACK
if all colors are ABSORBED by the object
telescope
improved by Galileo so he was able to be the first man to see the rings of Saturn
Thomas Edison
inventor of electric light bulb
What happens when ANY material is heated?
it gives off light
straight
light ALWAYS travels in a ___ line
retina
light sensitive lining of your eye, similar to the film of the camera
nearsighted
only seeing clearly close up
farsighted
only seeing objects at a distance clearly
pupil
opening in the eye to allow light to enter
tapetum
reflective layer behind animals' eyes that allow for better night vision
optic nerve
sends the message of what you have seen to your brain
You should NEVER look directly at the ___.
sun
binocular vision
the eyes work together, forming one image (humans have this type of vision)
cornea
transparent layer over front of eye
lens
two sided piece of plastic or glass that may have one or both sides curved for looking through
compound eyes
type of eyes many insects have to allow sight in many directions
binoculars
2 small telescopes together (one for each eye)
Water & Air
Light can travel faster through these 2 materials.
Yes or No. Does light travel through all materials at the same speed?
No
reflecting telescope
Sir Isaac Newton used a concave mirror and a convex lens to magnify to develop this special telescope
convex lens
makes objects appear larger by bringing them into focus
concave lens
makes objects appear smaller by scattering light
How can light be made to go around corners?
mirrors
concave mirrors
mirrors that make things appear BIGGER
convex mirrors
mirrors that make things appear SMALLER
white light of the sun
mixture of all the colors in the spectrum
luminous
natural or God made lights
