Insulators are materials that do not conduct electricity, such as rubber, plastic, and glass. They are important because they prevent the flow of electricity, protecting us from electrical shocks.
Category: Class 6 Science
NCERT Solutions and Important Questions for class 6 Science for CBSE exams 2020-2021.
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Metals like copper, aluminum, and silver are good conductors of electricity. They are commonly used in electrical wiring and electronic components due to their ability to easily transmit electrical currents.
Materials can be classified based on properties like strength, flexibility, transparency, and conductivity. For example, metals are strong and conductive, while rubber is flexible, and glass is transparent.
Recycling is the process of converting waste materials into new products. It reduces the need for raw materials, conserves resources, and decreases environmental pollution by reducing the amount of waste sent to landfills.
Plastic’s main disadvantages include environmental pollution, as it is not biodegradable and can persist in the environment for hundreds of years. It also contributes to microplastic pollution and harms wildlife.