Materials Around Us
CBSE · Class 6 · Science
Quick revision notes for Materials Around Us — CBSE Class 6 Science. Key concepts, formulas, and definitions for last-minute revision.
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Key Topics to Revise
1. Objects, Materials and Classification
- Any substance used to create an object is called a material.
- Materials are types of matter used in the making of objects.
- An object may be made of one material or many materials together.
2. Appearance of Materials
- Materials can look different from one another.
- Materials that have shiny surfaces are said to have lustre.
- Metals such as iron, copper, zinc, aluminium and gold are lustrous materials.
3. Hardness and Softness
- Materials that can be compressed or scratched easily are soft.
- Materials that are difficult to compress or scratch are hard.
- Hard and soft are relative properties, so comparison is important.
4. Transparent, Translucent and Opaque Materials
- Materials through which things can be seen clearly are transparent.
- Glass, water, air and cellophane paper are transparent materials.
- Materials through which objects can be seen but not clearly are translucent.
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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