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WorksheetsY8 Eye facts
Total questions: 8
Worksheet time: 6mins
Name
Class
Date
1.
On average, you will blink ? times per minute
a)
1
b)
4
c)
8
d)
12
2.
True or False. You eye has many bacteria swimming across the eyeball.
a)
True
b)
False
3.
?? percent of all learning comes through the eyes.
a)
70
b)
80
c)
90
d)
100
4.
This person has a condition called
a)
Chromatic aberration
b)
colourblindness
c)
homeochromia
d)
Heterochromia
5.
Only ?? percent of your eyeball is visible
a)
68%
b)
51%
c)
34%
d)
17%
6.
Your eyes contain ??? and ??? in the retina. One of these allow you to see shapes and low light images, while the others are responsible for detecting and deciphering colours.
a)
Cones
b)
Cubes
c)
Prisms
d)
Rods
7.
It is impossible to sneeze with your eyes open.
a)
True
b)
False
8.
Your eye can detect a lit candle from a distance of up to nearly ?? km
a)
3
b)
2.5
c)
2.2
d)
1.9
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