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Mnemonics: Materials Around Us | Science for Class 6 PDF Download

1. Types of Materials Based on Shine (Lustre)
Mnemonic: "Metals Love Shine, Paper Does Not"

  • Metals – Lustrous
  • Lustrous – Shiny
  • Paper – Non-lustrous
  • Does Not shine

2. Classification Based on Transparency
Mnemonic: "T-O-T: Transparent, Opaque, Translucent"

  • Transparent – You can see through clearly (Glass, Air)
  • Opaque – You can't see through (Wood, Metal)
  • Translucent – You can see blurred shapes (Frosted glass, Butter paper)

Mnemonics: Materials Around Us | Science for Class 6

3. Soluble vs Insoluble
Mnemonic: "Some Sugar Is Soluble, Sand Is Not"

  • Sugar dissolves → Soluble
  • Sand doesn't dissolve → Insoluble

Mnemonics: Materials Around Us | Science for Class 6

4. Hard and Soft Materials
Mnemonic: "Iron Is Hard, Rubber Relaxes"

  • Iron – Hard
  • Rubber – Soft (compressible)

5. Matter: Two Key Properties
Mnemonic: "MV – Matter has Mass and takes up space (Volume)"

  • Mass
  • Volume

6. Units of Measurement
Mnemonic: "Mass in Kilograms, Volume in Litres"

  • Mass → kg
  • Volume → L, mL, m³

7. Properties for Classification
Mnemonic: "A Tidy Scientist Has Many Smart Tools"

  • Appearance
  • Texture
  • Solubility
  • Hardness
  • Mass
  • Shine
  • Transparency
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FAQs on Mnemonics: Materials Around Us - Science for Class 6

1. What are the different types of materials around us?
Ans. The materials around us can be classified into several categories, including natural materials like wood, metal, and stone, and synthetic materials such as plastics, glass, and fabrics. Natural materials are derived from nature, while synthetic materials are man-made and often designed for specific purposes.
2. How do materials around us affect our daily lives?
Ans. Materials around us play a crucial role in our daily lives. They are used to create the objects we interact with, such as clothing, furniture, and technology. The properties of these materials, such as strength, flexibility, and durability, determine how we use them and their impact on our comfort and efficiency.
3. What is the importance of recycling materials?
Ans. Recycling materials is important because it helps reduce waste, conserves natural resources, and saves energy. By recycling items like paper, plastics, and metals, we can reduce the amount of waste sent to landfills and promote a more sustainable environment. This practice also decreases the demand for new raw materials, which can help protect ecosystems.
4. How do we classify materials based on their properties?
Ans. Materials can be classified based on their physical and chemical properties. Physical properties include characteristics like color, density, and melting point, while chemical properties involve how a material reacts with other substances. Understanding these properties helps in selecting the right materials for specific applications, such as construction or manufacturing.
5. What are some examples of natural and synthetic materials?
Ans. Examples of natural materials include wood, cotton, wool, and stone, while synthetic materials include plastics like polyethylene, nylon, and polyester. Both types of materials are used in various applications, from clothing and packaging to construction and technology, each with its own advantages and disadvantages.
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