WorksheetsSection 4: Light and Sight pages 518-521
Total questions: 10
Worksheet time: 19mins
Name
Class
Date
1.
The kind of electromagnetic light that can be detected by your eyes is called
a)
a. transmission.
b)
b. visible light.
c)
c. transparent.
d)
d. opaque.
2.
The light that forms the real image is detected by receptors in the _______ called rods and cones.
a)
a. lens
b)
b. pupil
c)
c. retina
d)
d. iris
3.
Rods can detect very _____ light and cones can detect colors in ______ light.
a)
a. dim, bright
b)
b. bright, dim
c)
c. dim, red
d)
bright, red
4.
The parts of the eye are:
a)
a. cornea, color, pupil, eye, iris, lens.
b)
a. cornea, pupil, hammer, anvil.
c)
c. cornea, pupil, iris, lens, retina, nerves.
d)
d. cornea, stirrup, lens, anvil, iris.
5.
Two common vision problems happen when light is not focused on the retina. They are __________ and ________.
a)
a. nearsightedness, concave
b)
b. farsightedness, convex
c)
c. farsightedness, color deficiency
d)
d. nearsightedness, farsightedness
6.
___________ happens when a person's eye is too long. A ________ person can see something clearly only if it is nearby. Objects that are far away look blurry.
a)
a. Farsightedness, farsightedness
b)
b. Nearsightedness, nearsightedness
c)
c. Nearsightedness, farsightedness
d)
d. Farsightedness, nearsightedness
7.
This is a part of the eye that is convex and refracts light to focus a real image on the back of the eye.
a)
a. cornea
b)
b. pupil
c)
c. iris
d)
d. lens
8.
This is a part of the eye that allows light to pass through. It is the opening in the eye.
a)
a. iris
b)
b. pupil
c)
c. lens
d)
d. retina
9.
This is a part of the eye that is the colored part of the eye. The size of the pupil is controlled by this.
a)
a. pupil
b)
b. lens
c)
c. iris
d)
d. retina
10.
About 5% to 8% of men and 0.5% of women in the world have _______ _______, or colorblindness.
a)
a. color deficiency
b)
b. perfect vision
c)
c. surgical correction
d)
d. eye correction
100 %
