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Chapter 4 light study guide
study guide for interactive science
14
Science
7th Grade
01/21/2019

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Cards

Term
What are the primary colors of light?
Definition
Red, blue, and green.
Term
What are the primary colors of pigment?
Definition
Yellow, Magenta, and Cyan.
Term
Transparent
Definition
Able to be seen through easily
Term
Translucent
Definition
Able to be seen through, but not clear (Like seeing through a foggy window)
Term
Opaque
Definition
Not able to be seen through at all (like trying to look through a brick wall)
Term
Nearsighted
Definition

unable to see things clearly unless they are relatively close to the eyes, owing to the focusing of rays of light by the eye at a point in front of the retina; myopic.

Eye is too long.

Term
Farsighted
Definition

unable to see things clearly, especially if they are relatively close to the eyes, owing to the focusing of rays of light by the eye at a point behind the retina.

Eye is too short.

Term
What type of image does a plane mirror produce?
Definition
It produces a virtual image.
Term
Concave lens what type of image does it produce?
Definition
A concave mirror produces a real image if it is farther from the focal point; It produces a virtual image if it is closer to the focal point.
Term
Convex lens what type of image farther it produce?
Definition
A convex lens will produce a real image if it is farther from the focal point; It will produce a virtual image if it is closer to the focal point.
Term
Mirage
Definition
[image]
Term
Reflecting telescope
Definition
a telescope in which a mirror is used to collect and focus light.
Term
Refracting telescope
Definition
a telescope which uses a converging lens to collect the light.
Term
Microscope
Definition
an optical instrument used for viewing very small objects, such as mineral samples or animal or plant cells, typically magnified several hundred times.
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