science 5 2
Terms
undefined, object
copy deck
- material that does not allow light to pass through it
- opaque
- inventor of electric light bulb
- Thomas Edison
- material which allows light to pass straight through it
- transparent
- blue dresses appear blue because the dress is
- reflecting blue light
- material allows light to pass through it, but you cannot see objects on the other side of it
- translucent
- bending of light rays as they enter a new material
- refraction
- type of line light always travels in
- straight
- an object is black because
- all the colors of the spectrum are absorbed by the object
- a mixture of colored lights
- white light
- series of colored bands that are created when sunlight is separated
- spectrum
- name the colors of the spectrum in order
- red, orange, yellow, green, blue, violet
- mirror which bulges toward the viewer and makes things look smaller
- convex
- large bundle of fibers that carries the message of what the eye has seen to the brain
- optic nerve
- mirror which bulges away from the viewer and makes things look bigger
- concave
- structure behind the pupil that refracts and focuses the light it receives
- lens
- lens which refracts light rays and brings them into focus
- convex
- light-sensitive lining covering the inside of the eyeball
- retina
- lens which scatters light rays
- concave
- muscels that regulate the size of the pupil are found in
- iris
- identify the following lens
- convex
- opening that allows light to enter the eye
- pupil
- transparent layer covering the front of the eyeball
- cornea
- type of mirror Sir Isaac Newton's reflecting telescope used
- concave mirror
- type of vision in which both eyes work together to produce an image of the same object
- binocular vision
- What is the ability to do work called?
- energy
- extra layer of reflecting cells behind the retina that many nocturnal animals have
- tapetum
- What do you call the dark spot cause by an opaque object?
- a shadow
- Nearsighted people need glasses with what type of lense?
- a concave lense
- What instrument allows scientists to see tiny objects?
- a microscope
- Name the piece of glass that separates white light into the spectrum.
- a prism
- Name for man-made light.
- artificial light
- What are used in periscopes to enable their users to see around corners?
- mirrors
- Who discovered the spectrum?
- Sir Issac Newton
- Objects which give off light, such as fireflies or stars, are _____.
- luminous
- Name the three colors which are considered warm colors.
- red, orange, and yellow
- Name used for a curved piece of transparent material that makes things look smaller or larger.
- lens
- Name of the invisible light that causes sunburn.
- ultra-violet light
- Be able to discuss how your eyes plus light allow you to see objects.
- See science text p.
- Be able to explain why you see lightning flash before you hear the thunder.
- See science text p.