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WorksheetsEM, Light & Sight
Total questions: 67
Worksheet time: 35mins
Electromagnetic waves do not require a medium to travel.
True
False
The difference between the different waves on the EM spectrum is ______________
amplitude
sound
wavelength
What is the description for radio waves?
have the least amount of energy
allows for night vision
see broken bones
kills cancer cells
What is the description for ultraviolet rays?
has the least amount of energy
causes skin to tan and burn
allows night vision
see broken bones
Which of the following is not an example of a mechanical wave?
Light wave
Sound wave
Water wave
Seismic wave
Based on your observations of the prism, select the true statements.
When light travels through a prism, the light is separated by wavelength.
Humans see the different wavelengths of visible light as different colors.
The prism is being used to combine different colors of light.
The light bends when it enters the prism and again when it leaves the prism.
Why does this car appears red under a white light?
The car is absorbing the red light and reflecting the blue and green.
The car is reflecting only the red light while absorbing the blue and green.
The car is absorbing the red and green light while reflecting the blue.
The car is absorbing the red, blue and green, but our eyes can only see the red.
bending of light that happens when light travels through different mediums (substances)
reflection
refraction
diffusion
When light bounces off an object- If the surface is smooth and shiny, like glass, water or polished metal, the light will reflect at the same angle as it hit the surface.
reflection
refraction
diffraction
Objects that allow SOME light to pass through
transparent
translucent
opaque
Objects that allow ALL light to pass through
transparent
translucent
opaque
Objects that allow NO light to pass through
transparent
translucent
opaque
the height or depth of a wave that determines how much ENERGY the wave carries. In a sound wave, it is also synonymous with how much volume the wave carries.
wavelength
compression
amplitude
The wave of energy we can see is ___________
visible light
radio waves
microwaves
x-rays
What is it called when light waves enter a substance and don't come out?
refraction
reflection
diffraction
absorption
The definition of the word refract is __________
to make warm
to go through
to bend
to create energy
What color of the rainbow has the longest wavelength?
red
blue
green
violet
A _________ object does not allow light to pass through it.
opaque
translucent
light
prism
A ____________ object does allow a few light waves to pass through it.
light
translucent
opaque
long
Which of these is not a light source?
Candle flame
Sun
Moon
Torch
Light from the candle flame travels in which direction?
In wavy lines
In zigzag lines
In random lines
In straight lines
Light contains many colors. Which of the following is not one of these?
Green
Black
Yellow
Red
What happen when light hits a shiny and smooth surface?
It bounces off the material, changing direction.
It is absorbed by the material
It forms a rainbow
It passes completely through the material
How does an opaque material affect light?
It allows all light to travel through it
It allows some light to travel through it
It bends the light which passes through it
It allows no light to travel through it
Which of the following materials is not translucent?
A dining room window
Tissue paper
Frosted glass
Tinted windows
When are we able to see an object?
We are able to see when the sun is outside.
We are able to see when light shines on the eyes.
We are able to see an object when light from the torch enters our eyes.
We are able to see an object when reflected light from the object enters our eyes.
What is the lens in your eyes' job?
To send messages down the optic nerve to your brain
To focus on the gray and black colors through your retina
To focus light on the front of your eye so you can see things clearly
To focus light on the back of your eye so you can see things clearly
How do humans see different wavelengths?
as different colors
as ultraviolet light
as infrared rays
How does light behave when hitting this shirt?
Yellow is absorbed; all other colors are reflected.
Yellow is reflected; all other colors are absorbed.
All colors are absorbed, but yellow is refracted.
Yellow is scattered and all other colors are absorbed.
Which color(s) does this filter transmit?
No colors are transmitted.
All colors but green
Only green
Which colors make up white light?
Red, Orange, and Yellow
All colors
Reds and Violets
Name structure A
Pupil
Iris
Cornea
Retina
Name Structure B
Lens
Pupil
Sclera
Cornea
Name structure G
Lens
Pupil
Optic Nerve
Ciliary Muscles
What structure is responsible for carrying sensory impulses from the eye to the brain?
Retina
Iris
Optic Nerve
Rods & Cones
What will happen to your pupils if you are in a really bright room?
They will contract
They will expand
They will burst into flames
They will stay the same size
What structure of the eye controls the size of the pupils?
Ciliary Muscles
Iris
Lens
Retina
What is the function of the Lens?
Lining of the back of the eye that contains light receptor cells.
Regulates how much light enters the eye
Tough, transparent, protective coating that bends light as it enters the eye
Focuses light onto the retina
What happens to your eyes if you are in a dark room?
Your Iris will narrow to allow more light in
Your pupils will widen to let in more light
Your pupils will narrow to let in more light
Identify structure D
Retina
Optic Nerve
Sclera
Lens
cornea
sclera
lens
optic nerve
sclera
lens
optic nerve
pupil
iris
lens
optic nerve
pupil
optic nerve
sclera
retina
retina
pupil
iris
cornea
sclera
retina
White part of the eye, protects the eyeball.
optic nerve
sclera
lens
A clear window at the front of the eye, covers the iris and the pupil.
cornea
sclera
lens
Acts like a camera lens by focusing light onto the retina at the back of the eye.
lens
optic nerve
pupil
Carries those messages from the eye to the brain.
optic nerve
sclera
retina
Coloured part of the eye, surrounds the pupil.
optic nerve
pupil
iris
A light-sensitive inner lining at the back of the eye.
cornea
sclera
retina
Black dot at the centre of the eye, is an opening through which light can enter the eye.
retina
pupil
iris
