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.
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
2.
Water that is safe and clean to drink is called…
- A.Sea water
- B.Muddy water
- C.Pure (potable) water
- D.Drain water
3.
A simple way to kill germs in water at home is to…
- A.Boil it
- B.Freeze it
- C.Shake it
- D.Colour it
4.
Which of these is a mixture?
- A.A single grain of sugar
- B.Pure water
- C.Salad of many vegetables
- D.Pure gold
5.
In which state are particles packed most tightly together?
- A.Gas
- B.Liquid
- C.Solid
- D.Steam
6.
Adding heat usually makes particles move…
- A.Slower and closer
- B.Faster and spread apart
- C.Backwards
- D.To sleep
7.
The way we separate a mixture depends on the ___ of the things in it.
- A.Properties
- B.Colour only
- C.Price
- D.Names
8.
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
9.
Which dissolves in water?
- A.Chalk powder
- B.Sand
- C.Sugar
- D.Iron nail
10.
A substance that dissolves is said to be…
- A.Insoluble
- B.Soluble
- C.Frozen
- D.Hard
11.
Heating a solid enough can change it into a…
- A.Liquid
- B.Gas at once
- C.Rock
- D.Star
12.
Picking out small stones from rice by hand is called…
- A.Winnowing
- B.Filtering
- C.Evaporation
- D.Handpicking
13.
When a solid dissolves fully in a liquid, the clear mix is called a…
- A.Solution
- B.Powder
- C.Rock
- D.Gas
14.
Air is a mixture of several…
- A.Gases
- B.Solids only
- C.Liquids only
- D.Rocks
15.
In a mixture, the things mixed usually keep their own…
- A.Weight lost
- B.Colour only forever
- C.Names lost
- D.Properties
Section B — Challenge / Olympiad (2 marks each)
5 × 2 = 10 marks
16.
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)
17.
Rainwater is fairly pure because, in the water cycle, it formed from water that had…
- A.Evaporated, leaving impurities behind
- B.Frozen solid
- C.Been filtered by sand
- D.Boiled in a pot
18.
Sea water is a mixture because it is water with dissolved…
- A.Iron bars
- B.Salts and minerals
- C.Stones
- D.Wood
19.
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
20.
Changing state, such as ice to water, does not make a new substance because the ___ stays the same.
- A.Name only
- B.Colour
- C.Container
- D.Material (water)
Answer Key
Section A — Multiple Choice (1 mark each)
- (C) Winnowing
- (C) Pure (potable) water
- (A) Boil it
- (C) Salad of many vegetables
- (C) Solid
- (B) Faster and spread apart
- (A) Properties
- (D) Safe drinking water is limited and precious
- (C) Sugar
- (B) Soluble
- (A) Liquid
- (D) Handpicking
- (A) Solution
- (A) Gases
- (D) Properties
Section B — Challenge / Olympiad (2 marks each)
- (D) Separating funnel (let them settle)
- (A) Evaporated, leaving impurities behind
- (B) Salts and minerals
- (C) Saturated (full)
- (D) Material (water)
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