Question 1: Describe two important factors you should consider when selecting a material for making a children's toy. Explain why these factors are important.

Answer: Factors to consider include safety (materials should be non-toxic and safe for children) and durability (materials should withstand rough handling). These factors ensure the toy is safe to use and lasts a long time.

Question 2: Imagine you are designing a lightweight, portable shopping basket. Sketch a simple design showing the handle and body. Label the materials you would choose for each part and explain why.

Answer: A sketch showing a basket with a handle and base. The handle could be made from a lightweight plastic or metal for strength and ease of carrying, while the basket body could be made from plastic or woven material for flexibility and lightness. Labels should specify these materials with brief justifications.

Question 3: List three different materials suitable for making a sturdy bookend. For each material, mention one advantage it offers.

Answer: Wood - strong and easy to shape; Metal - very durable and stable; Plastic - lightweight and inexpensive.

Question 4: You need to create a small storage box that is waterproof and easy to clean. Draw your initial idea of the box and label the materials you would use for the outer shell and the lid. Justify your choices.

Answer: A sketch of a rectangular box with a hinged lid. The outer shell could be made from plastic for waterproofing and easy cleaning; the lid could also be plastic or rubber-sealed for water resistance. Labels should specify the materials with explanations of their waterproof and cleaning properties.

Question 5: Explain why glass might not be the best material for a children’s drinking cup. Suggest an alternative material and give one reason for your choice.

Answer: Glass can break easily and may cause injury, making it unsafe for children. An alternative is plastic, which is lightweight and shatterproof, making it safer for children.

Question 6: Think about designing a lightweight, eco-friendly lunchbox. Sketch your design and suggest two materials you could use, explaining their environmental benefits.

Answer: A sketch of a rectangular lunchbox with a secure lid. Possible materials include bamboo (renewable, biodegradable) and recycled plastic (reduces waste). Labels should specify these materials and their environmental advantages.

Question 7: Identify a material that is good for making outdoor furniture and explain why it is suitable.

Answer: Treat wood or metal are good options. Metal is suitable because it is weather-resistant and durable, making it ideal for outdoor use.

Question 8: Describe how the choice of material can affect the cost of manufacturing a product. Provide an example.

Answer: Expensive materials like high-quality metals or specialist plastics increase manufacturing costs, while cheaper materials like basic plastics or recycled materials reduce costs. For example, using stainless steel for a kitchen knife will be more costly than using plastic.

Question 9: You are designing a reusable water bottle. Sketch your idea and select a suitable material for the body. Explain your choice in terms of safety, weight, and environmental impact.

Answer: A sketch of a cylindrical bottle with a screw cap. The body could be made from stainless steel or BPA-free plastic. The explanation should mention that stainless steel is safe, durable, and recyclable, while plastic is lightweight and inexpensive.

Question 10: List two materials that are good conductors of heat and explain a safety concern related to their use in everyday products.

Answer: Metals like copper and aluminum are good conductors. A safety concern is that they can become very hot when in contact with heat, potentially causing burns.