Chapter 8 of 12
Revision Notes
Materials and Solutions — Revision Notes
ICSE · Class 4 · Science
Materials and Solutions revision notes for ICSE Class 4 Science: 4 topics in quick points. Part of the ICSE Class 4 Science syllabus.
45 questions30 flashcards4 concepts
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Key Topics to Revise
1
Soluble and Insoluble Substances
- A substance that dissolves in a liquid is called soluble.
- Sugar, salt, and juice powder dissolve in water — they are soluble.
- A substance that does not dissolve in a liquid is called insoluble.
2
Solute, Solvent, and Solution
- A solution is formed when a solute dissolves in a solvent.
- The substance that dissolves is called the solute (e.g., sugar).
- The liquid in which the solute dissolves is called the solvent (e.g., water).
3
Separation of Soluble Substances
- Evaporation is used to separate a dissolved solid from a liquid.
- When saltwater is heated, water turns into vapour and salt is left behind.
- This method is used to get salt from seawater in hot countries.
4
Separation of Insoluble Substances
- Sedimentation: Heavy particles settle down when water is left undisturbed.
- Decantation: Pouring clean water carefully after sedimentation.
- Filtration: Passing mixture through a filter to separate solids from liquid.
Get complete notes with diagrams and examples
Full NotesKey Concepts
A substance that dissolves inThe substance that dissolves isWhen two liquids mix completelyWe use different methods to separate
Frequently Asked Questions
What are the important topics in Materials and Solutions for ICSE Class 4 Science?
Key topics in Materials and Solutions include Soluble and Insoluble Substances, Solute, Solvent, and Solution, Separation of Soluble Substances, Separation of Insoluble Substances. Study these first, then practise questions on each for Class 4 exams.
How should I revise Materials and Solutions for Class 4 exams?
Learn the core ideas first, then work through the 45 practice questions on Materials and Solutions. Revise definitions regularly and use flashcards for quick recall before the exam.
Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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