Transparency is the property of a material that allows light to pass through it. Materials like glass, clear plastic, and some types of crystal are transparent, allowing us to see through them.
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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.
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.