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15
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What helps us see colours and form images?
The iris
The cornea
The retina
The pupil
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lifesaver
Give 20 points!
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shark
Other team loses 10 points!
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fairy
Take points!
5
10
15
20
25
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banana
Go to last place!
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15
×
Why do some people wear glasses?
Because the retina doesn’t send signals
Because the lens and muscles can’t focus light correctly
Because the iris can’t control the pupil
Because the cornea is too large
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15
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What does the retina do?
It changes the size of the pupil.
It controls light entering the eye.
It turns light into signals for the brain.
It protects the eye.
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15
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How much of our perception of the world comes from eyesight?
About 20%
About 50%
About 100%
About 80%
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15
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What happens to the pupil in bright light?
It gets smaller
It disappears.
It gets larger.
It changes color.
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15
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What is the main function of the lens?
To form colors
To help focus on near and distant objects
To control light
To protect the eye
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15
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What is the coloured part of the eye called?
Retina
Iris
Cornea
Lens
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thief
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5
10
15
20
25
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magnet
Take 15 points!
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shark
Other team loses 10 points!
Okay!
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baam
Lose 20 points!
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seesaw
Swap points!
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gold
Win 50 points!
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gift
Win 20 points!
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baam
Lose 25 points!
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15
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What does the brain do with the images from the eyes?
It makes them darker.
It switches them around so we can understand them.
It sends them back to the lens.
It ignores them.
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15
×
What part of the eye lets light enter?
Lens
Retina
Pupil
Iris
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15
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Where is the lens located?
Behind the retina
Behind the pupil
In front of the cornea
Around the iris
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15
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What does the iris do?
It sends signals to the brain.
It controls the amount of light entering the eye.
It forms images.
It helps focus images.
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lifesaver
Give 20 points!
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shark
Other team loses 25 points!
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shark
Other team loses 25 points!
Okay!
×
lifesaver
Give 25 points!
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15
×
What does the cornea do?
It sends signals to the brain.
It controls eye color.
It changes size depending on light.
It helps protect the eye and focus light.
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