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WorksheetsEye and Optical Instrument
Total questions: 20
Worksheet time: 3600secs
Label the pictures with concave mirror or convex mirror
a) convex mirror
b) concave mirror
a) concave mirror
b) convex mirror
a and b convex mirror
a and b concave mirror
Why does the pinhole in the camera act like the pupil in the eye?
Because it needs to be like that
The pinhole acts like the pupil because light passes through it to the inside
Because the pinhole in the camera and the pupil in the eye are the same things
none of the above
Label the pictures with concave lens or convex lens
a) convex lens
b) concave lens
a and b concave lens
a) concave lens
b) convex lens
a and b convex lens
What difference do you notice between the pinhole camera and the human eye?
The pinhole camera does have a lens, but the human eye doesn't
The pinhole camera doesn't have a lens, but the human eye does
They are the same things
They don't have any differences
Why can the photographic paper in the camera be compared with the retina in the eye?
They can be compared because both of them do the same things
Because the paper in the camera and the retina in the eye are the same things
They can be compared because both get an inverted, real image
They can't be compared
What is a pinhole camera?
None of the above
It's a simple camera without a lens and with a small hole, or pinhole at one end
It's a proffesional camera
It's the camera of the cell phones
What does the optic nerve do?
It transmits this information to the brain, which then flips the image so that we see it right side up
It protects your brain
It helps your brain to work better
None of the above
How are the convex and concave lenses shaped?
Convex lenses are thicker in the middle than at the edges.
Concave lenses are thicker at the edges than in the middle.
They are circle
Concave lenses are thicker in the middle than at the edges.
Convex lenses are thicker at the edges than in the middle.
They don't have a shape
How are the lenses alike?
They don't let light pass through
Both concave and convex lenses are curved and let light pass through
They have the same characteristics
Concave lenses aren't curved but they let light pass through
How are the lenses different?
They don't have any difference
Both of them converge light beams
Concave and convex lenses diverge light beams
Concave lenses diverge light beams and convex lenses converge light beams
Look and label the pictures with the words in the box
b) hyperopia
c) astigmatism
d) myopia
b) astigmatism
c) hyperopia
d) myopia
b) hyperopia
c) myopia
d) astigmatism
b) myopia
c) hyperopia
d) astigmatism
What are the symptoms of astigmatism?
there aren't symptoms of astigmatism
you see everything perfectly
everything looks blurry
objects at any distance look blurry
Are there treatments for astigmatism? If yes, what are the treatments?
Yes, getting an operation
Yes, praying
Yes, using eyeglasses
There aren't treatments
What are the symptoms of myopia?
Distant objects: not clear
Distant objects: clear
Close objects: clear
Close objects: not clear
What are the sypmtoms of hyperopia?
Distant objects: not clear
Distant objects: clear
Close objects: clear
Close objects: not clear
Are there treatments for myopia? If yes, what are the treatments?
Yes, surgery
No, there aren't any treatments
Yes, using convex lenses
Yes, only praying
The pictures show ways of observing the universe. Match them to the correct era
b) Antiquity
c) Renaissance
b) Renaissance
c) Antiquity
b) Antiquity
c) Modern era
b) Modern era
c) Renaissance
Observation of the universe started in Antiquity
True
False
Visible matter includes galaxies, planets and stars
True
False
About 25% of the universe is dark matter
True
False
