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Light and Sight - lesson 3
Light and Sight - lesson 3
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1
The energy which must present to make our eyes able to see the objects around us, is.......... energy.
light
magnetic
electric
sound
2
Fishing cat can see at night, as follows..........
sound falls on the eyes, then reflected to the objects.
light falls on the eyes, then reflected to the objects.
light falls on the objects, then reflected into the eyes.
sound falls on the objects, then reflected into the eyes.
3
Both light energy and sound energy..........
the sound energy can be seen, while light energy cannot be seen.
the light energy can be seen, while sound energy cannot be seen.
cannot be seen.
can be seen.
4
Our eyes send.......... messages to the brain, where the information is processed.
electrical impulses
written
hearing
light impulses
5
All the following living organisms have tapetum lucidum, except...........
snakes.
fishing cats.
dogs.
horses.
6
The function of tapetum lucidum, looks like the function of..........
radio.
white paper.
black paper.
night vision goggles.
7
In the nocturnal animals, the tapetum lucidum is a life-saving adaptation because it helps them to........... at night.
keep their body warm
hunt a prey and avoid to be a prey
sleep
breathe
8
through which sensory receptors of the eyes send messages to the brain.
Brain
Pupil
Tapetum lucidum
Nerves
9
through which the light waves entre the eyes.
Tapetum lucidum
Brain
Pupil
Nerves
10
through which the light rays are reflected, so eyes of nocturnal animals are glowing at night.
Tapetum lucidum
Brain
Nerves
Pupil
11
through which the collected information from eyes are processed.
Tapetum lucidum
Nerves
Brain
Pupil
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