F&C 7th Grade Natural and Synthetic Materials

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What is a synthetic material?

Back

A synthetic material is a man-made substance created through chemical processes, often designed to mimic natural materials. Examples include plastics, nylon, and polyester.

Front

What is a natural material?

Back

A natural material is a substance that is derived from nature without significant alteration. Examples include wood, cotton, wool, and leather.

Front

What are the properties of polyester?

Back

Polyester is lightweight, durable, resistant to shrinking and stretching, and quick-drying, making it ideal for clothing and outdoor gear.

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Why is metal chosen for high-temperature tools?

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Metal is chosen for high-temperature tools because it has a high melting point, strength, and durability, allowing it to withstand extreme conditions.

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What is glass primarily made from?

Back

Glass is primarily made from silica (sand), along with other materials like soda ash and limestone, which are melted together.

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What is the main characteristic of absorbent materials?

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Absorbent materials can soak up liquids effectively. Examples include cotton and paper, which are used for towels and napkins.

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What is the difference between natural and synthetic fibers?

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Natural fibers come from plants or animals (e.g., cotton, wool), while synthetic fibers are made from chemical processes (e.g., polyester, nylon).

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What is the purpose of using rubber in products?

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Rubber is used for its elasticity, waterproof properties, and durability, making it ideal for tires, seals, and flexible products.

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What are ceramics?

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Ceramics are inorganic, non-metallic materials made from clay and other raw materials, often used for pottery, tiles, and glass.

Front

What is the significance of steel in construction?

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Steel is significant in construction due to its high strength-to-weight ratio, durability, and resistance to corrosion, making it ideal for buildings and infrastructure.