What a mixture is
Start here.
Two or more substances mixed together. Grain with stones in it is one.
📚 Chapter Learning Kit
Methods of Separation in Everyday Life · Class 6 Science · Curiosity
English 5 topics 145 leveled MCQs 75 flashcards 5 games Free
Shared by a Veda teacher · Generated with Veda AI · Oct 2026
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Handpicking
Method one.
Taking the unwanted pieces out by hand, going by their size, colour and shape.
Only for small quantities
When it is the right choice.
It suits a job where little has to come out and fingers can reach it easily.
Sieving
Method four.
Fine particles drop through the holes while bigger ones are held back on top.
Particle size
The difference it uses.
It works where the parts of a solid mixture differ in size, and on nothing else.
Pick the right mesh
The thing that decides it.
Holes larger than the fine part and smaller than the coarse part, or it sorts nothing.
📖 Smart notes
What you'll study, topic by topic
1
Picking, Beating and Blowing
Three ways to break up a mixture, each using a different difference. Fingers use size and colour, a beating stick frees grain from a stalk, and moving air sorts the heavy from the light.
- A mixture is what you have when two or more substances are mixed together.
- Picking pieces out of a mixture with your fingers goes by the name handpicking.
- Handpicking works off differences in the size, colour and shape of the pieces.
~30 min · full explanation, examples & memory tricks in the app
2
Sieving, and Getting the Salt Back
A sieve sorts solid from solid by size, and the hole size is everything. Where a solid has dissolved, no sieve will help: the liquid has to be driven off as vapour instead.
- Sieving lets the fine particles through the holes while the bigger ones stay behind.
- It is used where the parts of a solid mixture differ in the size of their particles.
- A sieve with holes bigger than everything in the mixture separates nothing at all.
~32 min · full explanation, examples & memory tricks in the app
3
Letting It Settle, and Straining It Out
Leave a liquid alone and the heavy insoluble bits sink; tilt it carefully and most of the liquid comes off. For the rest, a mesh is needed, and the size of its pores decides what it can stop.
- A heavier insoluble part working its way down through a still liquid is sedimentation.
- Pouring the liquid off by tilting the vessel is called decantation.
- Decantation is quick, but it never takes out every last piece.
~32 min · full explanation, examples & memory tricks in the app
4
Churning, and What a Magnet Can Pull Out
Two methods that use properties nothing else in the chapter touches. Churning gathers the lighter butter out of curd, and a magnet lifts out only the things it can attract.
- Churning is used to get butter out of curd, using a big churner called a mathni.
- The butter is lighter, so it gathers and floats at the top of the vessel.
- What is left behind in the vessel once the butter is taken off is buttermilk.
~30 min · full explanation, examples & memory tricks in the app
5
Choosing a Method, and Using Several
Nine methods, and the skill is picking the right one. Find the property that differs, ask why you are separating at all, and for a mixture of several things plan the order before you start.
- Every method here works on one property in which the parts of the mixture differ.
- We separate either to get two useful parts, or to take out one part that is not wanted.
- Handpicking, sieving and winnowing sort solid from solid, by size, or shape, or weight.
~34 min · full explanation, examples & memory tricks in the app
❓ Leveled MCQ practice
Try the smart MCQs from this kit
145 questions laddered from warm-up to topper-level, each with an explanation. A taste:
Two or more substances mixed together make a:
Beginner
A mixture
B single substance
C residue
D solution only
Show answer & explanation
mixture
Grain with stones in it is one.
Taking unwanted pieces out of a mixture with your fingers is called:
Beginner
A threshing
B handpicking
C winnowing
D sieving
Show answer & explanation
handpicking
The method Nani turned into a game.
Handpicking sorts pieces by their:
Beginner
A temperature at the time of picking
B weight alone
C size, colour and shape
D taste
Show answer & explanation
size, colour and shape
Your eye finds the odd one out first.
Nani asks the children to pick stones out of grain with their eyes shut. That is hard because:
Intermediate
A the grain is wet
B stones cannot be touched
C stones are a great deal heavier than the grain
D handpicking leans on seeing the difference
Show answer & explanation
handpicking leans on seeing the difference
Take away the looking and you are guessing by touch.
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