Question 1: Describe the main characteristics of cotton fabric and explain why it is commonly used in clothing.

Answer: Cotton is a natural fiber that is soft, breathable, and absorbent. It is also durable and easy to wash, making it suitable for everyday clothing.

Question 2: List three fabrics that are typically used in making sportswear and explain why they are suitable.

Answer: Polyester, nylon, and spandex are commonly used in sportswear because they are lightweight, stretchable, and moisture-wicking, keeping the wearer comfortable during physical activity.

Question 3: Compare the properties of wool and silk. How do their characteristics influence their typical uses?

Answer: Wool is warm, insulating, and elastic, making it ideal for winter clothing and outdoor wear. Silk is smooth, shiny, and lightweight, often used in luxury garments and evening wear. Wool's insulating properties suit cold weather, while silk's smooth texture and elegance suit formal occasions.

Question 4: Explain why polyester is a popular choice for fabric production, despite being a synthetic material.

Answer: Polyester is popular because it is durable, resistant to shrinking and stretching, quick-drying, and maintains its shape. It is also relatively inexpensive and easy to care for.

Question 5: Sketch a simple design of a fabric sample that demonstrates a knitted texture. Label the key features of your design.

Answer: A correct sketch would show a series of interconnected loops forming a textured surface. Labels should include 'knitted loops' and 'stretchable fabric' to highlight the texture and flexibility.

Question 6: Identify a fabric that is commonly used for making curtains because of its heavy weight and opacity. Describe its typical characteristics.

Answer: Velvet is often used for curtains because it is heavy, opaque, and has a luxurious appearance. It also provides good insulation and light-blocking qualities.

Question 7: Describe how the properties of chiffon fabric make it suitable for making evening dresses or scarves.

Answer: Chiffon is lightweight, sheer, and flowing, which creates an elegant and delicate appearance. Its softness makes it comfortable to wear, making it ideal for evening dresses and scarves.

Question 8: List two natural fabrics and two synthetic fabrics used in textiles, and give one advantage of each.

Answer: Natural fabrics: Cotton (easy to dye), Wool (insulating). Synthetic fabrics: Polyester (durable), Nylon (strong and stretchy).

Question 9: Explain the environmental impact considerations when choosing synthetic fabrics over natural fabrics.

Answer: Synthetic fabrics are made from petrochemicals, which are non-renewable resources and can contribute to pollution during manufacturing and disposal. They are less biodegradable, leading to environmental waste. Natural fabrics are renewable and biodegradable, but their cultivation can impact land use and water resources.