Vidaara.orgClass 5 · Mathematics
CodeVID-M5-WS
Matter & Mixtures — 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 should we save and not waste clean water?
- A.There is too much of it
- B.It is heavy
- C.It is cheap to make
- D.Safe drinking water is limited and precious
2.
The way we separate a mixture depends on the ___ of the things in it.
- A.Properties
- B.Colour only
- C.Price
- D.Names
3.
We can get salt back from salty water by…
- A.Filtering
- B.Evaporating the water
- C.Using a magnet
- D.Freezing
4.
A liquid has a fixed volume but no fixed…
- A.Name
- B.Weight
- C.Particle
- D.Shape
5.
The three common states of matter are solid, liquid and…
- A.Light
- B.Gas
- C.Sound
- D.Heat
6.
Light husks can be separated from heavier grain by letting the wind blow them away. This is called…
- A.Boiling
- B.Filtering
- C.Winnowing
- D.Magnetising
7.
A substance that dissolves is said to be…
- A.Insoluble
- B.Soluble
- C.Frozen
- D.Hard
8.
A solution looks clear because the dissolved particles are…
- A.Very big
- B.Too tiny to see
- C.Floating on top
- D.Made of glass
9.
When a solid dissolves fully in a liquid, the clear mix is called a…
- A.Solution
- B.Powder
- C.Rock
- D.Gas
10.
A simple way to kill germs in water at home is to…
- A.Boil it
- B.Freeze it
- C.Shake it
- D.Colour it
11.
Sea water is not fit for drinking because it has too much dissolved…
- A.Air
- B.Sugar
- C.Salt
- D.Oil
12.
In a mixture, the things mixed usually keep their own…
- A.Weight lost
- B.Colour only forever
- C.Names lost
- D.Properties
13.
How is making a mixture different from cooking an egg?
- A.Mixtures cannot be undone
- B.They are the same
- C.A mixture forms no new substance; cooking does
- D.Cooking makes no change
14.
Heating a solid enough can change it into a…
- A.Liquid
- B.Gas at once
- C.Rock
- D.Star
15.
Which of these is a mixture?
- A.A single grain of sugar
- B.Pure water
- C.Salad of many vegetables
- D.Pure gold
Section B — Challenge / Olympiad (2 marks each)
5 × 2 = 10 marks
16.
Why does a balloon shrink a little when put in a cold fridge?
- A.Cold gas particles move closer together
- B.The balloon eats air
- C.Air turns solid
- D.It loses colour
17.
Filtering muddy water makes it clear, but it may still be unsafe to drink because filtering does not remove tiny…
- A.Germs
- B.Stones
- C.Leaves
- D.Sand
18.
If you keep adding sugar to a glass of water, at some point no more dissolves. The water is then…
- A.Frozen
- B.Empty
- C.Saturated (full)
- D.Boiling
19.
To separate a mixture of two liquids like water and oil that do not mix, we can use a…
- A.Filter paper only
- B.Magnet
- C.Fan
- D.Separating funnel (let them settle)
20.
Why is a fruit salad a good example of a mixture you can easily separate?
- A.It cannot be undone
- B.The fruits melt together
- C.It becomes one new fruit
- D.You can still pick out each fruit
Answer Key
Section A — Multiple Choice (1 mark each)
- (D) Safe drinking water is limited and precious
- (A) Properties
- (B) Evaporating the water
- (D) Shape
- (B) Gas
- (C) Winnowing
- (B) Soluble
- (B) Too tiny to see
- (A) Solution
- (A) Boil it
- (C) Salt
- (D) Properties
- (C) A mixture forms no new substance; cooking does
- (A) Liquid
- (C) Salad of many vegetables
Section B — Challenge / Olympiad (2 marks each)
- (A) Cold gas particles move closer together
- (A) Germs
- (C) Saturated (full)
- (D) Separating funnel (let them settle)
- (D) You can still pick out each fruit
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