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WorksheetsLigth and Shadows
Total questions: 80
Worksheet time: 54mins
Which is NOT a source of light?
firefly
ball
sun
torch
An opaque object means that ...
light passes through
no light passes through
some light passes through
you can see through it
We can see things around us because of light reflecting off the object and into our eyes?
True
False
We are able to see objects because they ____________ light into our eyes.
reflect
refract
shine
defract
Which bottle does not let light through?
What part of our body do we use to detect light?
Which image shows the artificial source of light?
Select the natural source of light
Objects that give out light are
luminous
non-luminous
opaque
Light is able to pass through __________________ materials
transparent
shiny
dull
opaque
Coloured glass is an example of a _______object.
transparent
translucent
opaque
A shadow is created when...
an object blocks the light
an object lets light pass thru
an object is above light
Shadows are shortest ...
at night
in the morning
in the middle of the day
in the evening
Which bottle does not let light through?
Which will make the darkest shadow?
Can you see the shadow in total darkness too?
Yes
No
If you can see light through an object it is called...
opaque
plastic
transparent
A boy saw a butterfly when he turned on his lamp.
Which of the following shows how the path of light enabled the boy to see the butterfly?
from lamp to butterfly to boy
from lamp to boy to butterfly
from boy to lamp to butterfly
from boy to butterfly to lamp
In a dark room, a white light source shines a beam of light through a triangular hole to cast light on the screen.
There is a transparent blue glass block between the triangular hole and the screen.
Which of the following image will be shown on the screen?
A TRANSLUCENT OBJECT STOPS THE LIGHT _____________.
TOTALLY
PARTIALLY
CLEAR WATER IS AN EXAMPLE OF _____________ OBJECT.
TRANSLUCENT
OPAQUE
TRANSPARENT
A CLEAR AND SHARP SHADOW IS FORMED
IN DAYLIGHT
AT NIGHT
IN DIMLIGHT
What is light?
The Sun
A form of energy
The Moon
A star
Tissue paper is _____________ which will let some light pass through it.
Translucent
Transparent
Opaque
Light
A shadow is created when a light is absorbed by something transparent.
true
false
If light hits something transparent , it will...
make a shadow
pass through
stop
Choose the two words that will complete the sentence.
The Earth gets ____________________ and _________ from the Sun.
heat , light
heat , rain
food , Sun
Where would the light source be in order to produce this shadow?
It would be behind the woman.
It would be in front of the woman.
It would be directly above the woman.
When the sun gets higher in the sky, shadows get ______.
longer
gone
shorter
darker
When the sun gets lower in the sky, shadows get______.
longer
gone
shorter
darker
Shadows are longest during _______.
morning and evening
noon
night
Shadows are shortest around______.
morning and evening
noon
night
When was this picture most likely taken?
(Hint: think about the shadow's length)
morning or evening
night
noon
afternoon
What do shadows on Earth help show?
Earth's rotation
Earth's revolution
Earth's equator
Earth's axis
Which of the following is a man made source of light?
A book
A car
A torch
A poster
What does dark mean?
The night
Absence of light
Too much light
The Moon
Madhav is pushing the door closed. He cannot see through the door because it is-
opaque
translucent
transparent
Jagriti is drinking a glass of appy. She looks through the glass and the objects behind it look fuzzy. This is because the appy is .
opaque
translucent
transparent
Why does the Moon look shine at night?
It reflects the Sun's light
It refract the Sun's light
It bends the Sun's light
It block the Sun's light
Diagram of light travel, is it true?
yes
no
Diagram of light travel. Is it true?
yes
no
We can measure the intensity of light using ...
light meter
thermometer
barometer
sound meter
Reflected ray shown by letter ....
A
B
C
D
True or false?
Light travels in straight lines.
true
false
True or false?
Light can pass through the opaque object.
true
false
True or false?
We can see the object because the object reflects light.
true
false
True or false?
Light can pass through the transparent object.
true
false
True or false?
Reflection of light is the bending of light when it enters a different medium.
true
false
Do the objects in which you can see your reflection have smooth or rough surface?
smooth
rough
Will the shadow of the object be bigger or smaller if the the light source moved further away from the object?
bigger
smaller
Will the shadow of the object be bigger or smaller if the the light source moved nearer to the object?
bigger
smaller
How the shadow formed at 12 pm?
short
long
How the shadow formed at 7 am?
short
long
lets lots of light through
transparent
translucent
opaque
lets no light through
transparent
translucent
opaque
lets some light through
transparent
translucent
opaque
The length of shadow increases as the Sun moves from noon to afternoon.
true
false
Shadow will get smaller if the light source getting closer to the object.
true
false
If we moves object closer to the source of light.
What happens to the size of the shadow?
increase
decrease
stay at the same
If we moves object further away from the source of light.
What happens to the size of the shadow?
increase
decrease
stay at the same
Which is the example of translucent object?
mosquito net
wood
bricks
glass
Periscope can work because it ...
contains mirrors to reflect the object
contain lens to absorbs the light
contain paper to blocks the object
Shadows are formed because light travels in straight lines
true
false
A ____ or a pond will reflect an image very similar to the object
mirror
glass
lake
window
____ is when an object takes light in
Absorption
Reflection
Taking
Refraction
The light is ____ by an object determines the color of that object
Reflected
close
rotating
created
____ is when light bounces or reflects from a surface
Reflection
Refraction
Bending
Absorption
Why do shadows made by the Sun move throughout the day?
Because the weather changes
Because someone moves the objects
Because the sun appears to move across the sky
Because it's magic!
Where will the tree's shadow be?
A
B
C
Where will the tree's shadow be?
A
B
C
Which position of the sun will make the longest shadow?
A
B
C
What changes the length of a shadow?
the size of the sun
the angle of the sun
the heat of the sun
the color of the sun
At noon, when the sun is overhead, shadows ______.
get longer
almost disappear
get shorter
