light is a form of
A. electricity
B. energy
C. lens
B. energy
Objects that allow all light rays to pass through them are described as being ______________.
transparent
A dark shape caused when an object blocks light rays is called a
shadow
the opening in the iris that allows light to enter the inside of the eye

pupil
Light was created by God on the first day of Creation. The sun and moon were created on the fourth day.
An object that is _________ allows some light rays to pass through it, but not all.
translucent
Is a shadow shorter or longer in the morning than it is at noon?
longer
the part of the eye that refracts light to focus it

lens
Light travels in straight lines called _____.
rays
What would make an object nonluminous?
a nonluminous object cannot make their own light
List two things that use lenses
your eyes, eyeglasses, microscopes, telescopes, etc.
the colored part of the eye that controls how much light enters the eye

iris
What colors is white light made up of?
all colors
How does the light from the sun helpful to us on earth? List at least 2 benefits.
the sun's light provides warmth for living things. It provides the light that plants need to grow and make food through photosynthesis. It provides light that people and animals need to see. It is important for human health for many reasons including Vitamin D
Teh bending of light as it passes from one substance to another is called
refraction
the part of the eye that carries images to the brain

optic nerve
Objects that can make their own light are _________.
A. translucent
B. luminous
C. opaque
luminous
The colors we see are the colors that bounce off, or ________, from the objects around us.
reflect
A ______ lens bends light outward and spreads it out
concave
the transparent, curved coverin in the front of the eye

cornea
What is the name for all the colors that make up light?
the visible spectrum
A transparent material used to bend light is called a
lens
A lens that bends light inward is called a _____ lens
convex
the back part of the eye where an image forms

retina