Transparent containers allow us to see the contents without opening them, which helps in easily identifying the material inside. This visibility improves convenience and prevents frequent handling, ensuring the stored items remain clean and organized.
Category: Class 6 Science
NCERT Solutions and Important Questions for class 6 Science for CBSE exams 2020-2021.
Tiwari Academy Discussion Latest Questions
Group items by category: grains, spices, canned goods, and snacks. Store frequently used items at eye level for easy access. Use clear containers for better visibility, and label shelves for quick identification and organization.
Hardness determines a material’s resistance to scratches, dents, and wear. Hard materials like metal are used for tools and construction, while softer materials are used where flexibility or comfort is needed.
Non-biodegradable materials, like plastic, do not break down easily and accumulate in the environment. They contribute to pollution, harm wildlife, and create long-lasting waste problems, posing a significant environmental challenge.
Biodegradable materials are those that can be broken down by natural processes, like wood, cotton, and paper. They decompose into harmless substances, reducing environmental impact and contributing to sustainability.
Cotton is a natural, breathable material that is soft and comfortable. It absorbs moisture well, making it ideal for clothing. Cotton is also biodegradable and renewable, making it an environmentally friendly choice.
Glass is used for windows, bottles, and decorative items due to its transparency and smooth surface. It is also resistant to water and chemicals, making it suitable for laboratory equipment.
Materials are selected based on their properties, such as strength, flexibility, or durability. For example, metal is chosen for tools due to its strength, while plastic is used for containers because it is lightweight.
Plastic is widely used because it is lightweight, durable, and versatile. It can be molded into various shapes and sizes, making it useful for packaging, household items, and industrial products.
Natural materials come from nature and require minimal processing, like wood and cotton. Man-made materials are chemically processed and engineered for specific properties, like plastic and glass. They differ in origin and usage.