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