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WorksheetsGrade 4 Science
Total questions: 25
Worksheet time: 17mins
Our eyes are needed to perceive which of the five sense?
Smell
Taste
Sight
Touch
Which of the following parts of the eye is the hole that lets in light?
Retina
Lens
Pupil
Iris
Which of the following part of the eye is coloured?
Retina
Iris
Focus
Lens
The iris can change the ___________ of the pupil.
Size
Colour
Shape
When it is really dark, the iris will shrink the pupil so that your eye can focus and see clearer.
True
False
Where in the eye are rods and cones located?
Lens
Optic nerve
Retina
Rods help us see in the dark and cones help us see colour.
True
False
The retina converts:
Rods into cones
Images into long-term memories
Light into electrical signals
None of the above
The lens of the eye is similar to the lens of which of the following devices?
Telescope
Camera
Microscope
Magnifying Glass
The (a) carries nerve impulses from your eye to the part of the brain that controls vision
In dim light your pupil will (a)
The (a) controls the amount of light entering the eye and give the eye its colour.
Which of the following is true:
Rods help us to the see the shades black, white and grey.
Codes help us to see red, yellow, blue and white
The (a) has hairs that protect the eye.
What is the order of which light passes through the eye?
Lens,cornea, pupil, optic nerve,brain
Pupil, optic nerve, cornea, retina, brain
Optic nerve, brain, cornea, lens, retina
Cornea, pupil, lens, retina, optic nerve, brain
The (a) gives the eye its colour and controls the amount of light that enters the eye.
What are the external parts of the eye?
Iris, lens, retina, optic nerve, eyelash
Cornea, eyelid, optic nerve, pupil, eyelid
Pupil, sclera, iris, eyelid, eye lash, eyebrow
(a) is the stimulus that the eye responds to.
Which of the following BEST describes the eye:
The eye acts like a camera.
The eye is round like a ball.
The eye is like a camera that takes pictures of the world around us.
None of the above
A ______ is a fleshy outgrowth part of the eye that moisturizes the eye and protects it from bacteria.
Eyelash
Fat
Caruncle
Eyelid
______ and ______ are light sensitive nerves found in the retina of the eyes.
(a)
The retina converts:
Rods into cones
Images into long-term memories
Light into electrical signals
None of the above
What is the order of which light passes through the eye?
Lens,cornea, pupil, optic nerve,brain
Pupil, optic nerve, cornea, retina, brain
Optic nerve, brain, cornea, lens, retina
Cornea, pupil, lens, retina, optic nerve, brain
The (a) is the white outer part of the eye that provides protection.
What role does you brain play in the process of seeing?
It flips images upside down
It takes pictures
It talks to the eye
It flips upside down images right side up.
