What is Light?
the direction light travels in
straight lines
refraction is ________
the bending of light when it moves between two substances.
Which is not a primary colour: Red, yellow, green, blue
yellow
an object that blocks light
What is the name of the hole in our eye that lets light in?
pupil
what a ray diagram shows
that light moves in straight lines
reflection is ______________
light bouncing off a smooth object
white light is made up of
all the colors together
what is spectroscopy
the science of how objects absorb colors
What part of our eye adjusts to control the amount of light allowed in?
iris
type of light of a glowstick
chemiluminescence
what happens when light bounces off a rough surface
light scattering
What changes the color of light
the wavelength of the light
When light travels through a convex lens they will _____ until the meet at the focal point?
converge
the eye cells that see color
cones
light bulb that makes heat
incandescent
the angle of reflection is _____
the same as the angle of incidence
the colors of the rainbow are
ROY G BIV
Red orange yellow green blue indigo violet
binoculars are a type of ________ t_____
reflective telescope
a nearsighted person will have light converge ____ of the retina
in front
how shadows are made
light is blocked by an opaque or translucent object
An image is
where light joins up and displays the object
why a black shirt is black and warm to wear
black is when all light is absorbed. light is a form of energy, just like heat
the type of light that humans can see
the visible light spectrum
what transfers light from eye to brain
optic nerve