Yes, all materials around us can be considered examples of matter. Matter includes anything that has mass and occupies space, so everything from solids, liquids, and gases to everyday objects falls into this category.
Category: Class 6 Science
NCERT Solutions and Important Questions for class 6 Science for CBSE exams 2020-2021.
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Yes, air is matter because it has mass and occupies space. It consists of gases like nitrogen, oxygen, and carbon dioxide. Though invisible, its presence is evident through activities like inflating a balloon or wind movement.
The invention of plastic revolutionized daily life by offering versatile, durable, and affordable materials. However, it also introduced environmental challenges, such as pollution and non-biodegradability, making it both a boon and a bane for humanity.
I created a planter from discarded plastic bottles, decorated with paint and fabric scraps. Discussing with friends, we shared ideas and materials used. Feedback focused on enhancing durability and aesthetics for better functionality and visual appeal.
Objects can be classified into groups like plastic, metal, glass, and paper. Each material’s properties, such as durability or flexibility, relate to its function—plastics are used for containers, metals for tools and glass for windows.
Recyclers check materials for type (paper, glass, metal, plastic), cleanliness, and separability. They avoid buying contaminated or mixed materials, as these complicate recycling processes and reduce the value of the recyclable materials.
Materials that can be recycled include paper, glass, plastic, and metals. These materials are processed to create new products, reducing waste and conserving resources. Recycling helps in environmental conservation and efficient resource management.
Soluble pairs: vinegar and glucose, water and glucose. Insoluble pairs: mustard oil and water, honey and wheat flour. Glucose dissolves in vinegar and water, while mustard oil and honey do not dissolve in the others.
Material X is likely a soluble, rigid substance like salt, while material Y is a soft, insoluble substance like clay. X dissolves in water, whereas Y remains unchanged, reflecting its different properties.
For food waste, use plastic containers for durability and ease of cleaning. For broken glass, use sturdy, puncture-resistant containers to avoid accidents. For wastepaper, use paper or cardboard bins for easy recycling.