Vidaara.orgClass 4 · Mathematics
CodeVID-M4-WS
Light & Shadows — Practice Worksheet
Name: ____________________
Roll No.: __________
Date: ____________
General Instructions
- All questions are compulsory.
- Choose the correct option (A, B, C or D) for each question.
- The answer key is at the end — try the paper first!
Section A — Multiple Choice (1 mark each)
15 × 1 = 15 marks
1.
Why can you not see around a corner directly?
- A.Light is too slow
- B.Light travels straight, not around bends
- C.Light is too dim
- D.Corners eat light
2.
We can see an object when light from it enters our…
- A.Eyes
- B.Ears
- C.Nose
- D.Hands
3.
Clear glass that you can see through fully is…
- A.Translucent
- B.Opaque
- C.Transparent
- D.Dark
4.
In a completely dark room with no light, we can…
- A.See clearly
- B.See nothing
- C.See colours
- D.See shadows
5.
When you look in a flat mirror you see your…
- A.Twin
- B.Shadow
- C.X-ray
- D.Image (reflection)
6.
A thin butter-paper makes a faint shadow because it is…
- A.A bulb
- B.Transparent
- C.A mirror
- D.Translucent (lets some light through)
7.
In a flat mirror, your right hand looks like your ___ hand.
- A.Left
- B.Right
- C.Third
- D.No
8.
A candle and a torch are both ___ sources of light.
- A.Man-made
- B.Natural
- C.Cold
- D.Living
9.
At noon, when the Sun is right above, shadows are…
- A.Gone forever
- B.Very long
- C.Coloured
- D.Short
10.
Still water in a pond can act like a ___ and show reflections.
- A.Shadow
- B.Mirror
- C.Bulb
- D.Wall
11.
Why does a shadow have no colour of its own (it looks dark)?
- A.No light reaches that spot
- B.It is painted black
- C.Shadows are cold
- D.Light is grey
12.
The biggest natural source of light for the Earth is the…
- A.Moon
- B.Sun
- C.Mirror
- D.Bulb
13.
Which is transparent?
- A.A wooden table
- B.A brick wall
- C.A clear water glass
- D.A metal sheet
14.
A thing that gives out its own light is called a…
- A.Source of light
- B.Shadow
- C.Mirror
- D.Window
15.
A shadow is always the same ___ as the object that makes it.
- A.Shape (outline)
- B.Colour
- C.Weight
- D.Smell
Section B — Challenge / Olympiad (2 marks each)
5 × 2 = 10 marks
16.
Why can we see the Moon shining at night if it makes no light?
- A.It has bulbs
- B.It burns gas
- C.It reflects sunlight to us
- D.It is a star
17.
In a dark cinema we can still see the screen because the screen sends ___ to our eyes.
- A.Sound
- B.Light
- C.Heat
- D.Air
18.
Coloured cellophane is transparent but tinted; looking through red cellophane makes the world look…
- A.Reddish
- B.Black
- C.Invisible
- D.Louder
19.
The word AMBULANCE is written backwards on the front of vans so that drivers ahead read it correctly in their…
- A.Window
- B.Mirror
- C.Shadow
- D.Map
20.
Two torches shining on one object from different sides can make…
- A.A mirror
- B.No shadow ever
- C.A rainbow
- D.Two shadows
Answer Key
Section A — Multiple Choice (1 mark each)
- (B) Light travels straight, not around bends
- (A) Eyes
- (C) Transparent
- (B) See nothing
- (D) Image (reflection)
- (D) Translucent (lets some light through)
- (A) Left
- (A) Man-made
- (D) Short
- (B) Mirror
- (A) No light reaches that spot
- (B) Sun
- (C) A clear water glass
- (A) Source of light
- (A) Shape (outline)
Section B — Challenge / Olympiad (2 marks each)
- (C) It reflects sunlight to us
- (B) Light
- (A) Reddish
- (B) Mirror
- (D) Two shadows
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