WorksheetsP4 - Light And Shadow
Total questions: 50
Worksheet time: 38mins
If you can see light through an object it is called...
opaque
plastic
transparent
An opaque object means that ...
light passes through
no light passes through
some light passes through
you can see through it
Which object would be the best at reflecting light?
Mirror
Tree
Book
Ruler
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?
Light travels
around corners
in a straight line
in the air
in water
If light hits something transparent , it will...
make a shadow
pass through
stop
When the sun gets higher in the sky, shadows get ______.
longer
gone
shorter
darker
Which is NOT a source of light?
firefly
ball
sun
torch
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
Butter (tracing) paper is _____________ which will let some light pass through it.
Translucent
Transparent
Opaque
Light
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
Madhav is pushing the door closed. He cannot see through the door because it is-
opaque
translucent
transparent
Materials that allow light to pass through them are called?
Opaque
Translucent
Transparent
Shadow
Shadows are longest in the_______
Evening
Afternoon
Morning
Night
Materials that allow some amount of light to pass through them are called_______
Opaque
Transparent
Light
None of the above
If a torch is 180 degree to the object then how long the shadow will be?
Long
Not too long nor too short
Short
No shadow formed
Clear glass is an example of?
Translucent object
Opaque object
Transparent object
All of the above
Materials that completely block the light are called?
Light
Opaque
Transparent
None of the above
A shadow is_____ even when an object is coloured.
Green
Pink
Black
None of the above
See the diagram and tell what type of material is used?
Opaque
Translucent
Mirror
Transparent
What is our main source of light?
Sun
Moon
trees
When the Sun gets lower in the sky, shadows get______.
longer
gone
shorter
darker
Look at the picture. Why does the tree make a shadow?
The tree is transparent and does not block the light.
The tree is opaque and it blocks the light.
The tree makes a sound and gives off heat.
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.
This picture shows a window that is see through. A more scientific word to describe this would be________.
opaque
transparent
translucent
This picture shows a window that lets in some light and is kind of see through. A more scientific word to describe this window would be_____.
transparent
translucent
opaque
This picture shows a window that is not see through. A more scientific word to describe this window would be _____.
translucent
transparent
opaque
You are walking through your bedroom one evening
with the lights off. You bump your toe at the end of the
bed. Which of the following BEST explains why you
walked into the bed?
Humans can't see in the dark.
Light is needed to see things.
You had your eyes closed.
Which question helps to identify if an object is a light
source?
What color is it?
Where did it come from?
Does it make light?
It is daytime and you look behind you. You see your
shadow. Now it is nighttime and when you look behind yourself you don’t see your shadow.
Which is the BEST reason that you don't see your shadow at night.
Your shadow went to bed.
Your shadow ran away.
You need a light source to see a shadow.
When light hits an area and bounces back it is called:
echo
refraction
reflection
absorbing
What is the best explanation for Mickey seeing himself in the mirror?
refraction
absorbed
reflection
flipped
When we move an object away from the source of light, the shadow of the object _____________
Become bigger
Becomes smaller
Remains the same
None of these
Where will the tree's shadow be?
A
B
C
Where are periscopes used ?
Fire departments
Submarines
Military
Hospitals
Nothing can travel faster than light in the whole universe
False
True
