What is a composite material?

• A composite material is a material made from two or more different materials that, when combined, produce a material with enhanced properties.

• A composite material is a type of metal alloy.

• A composite material is a single substance with uniform properties.

• A composite material is a natural material found in nature.

What are some common uses of composite materials?

• Aerospace, automotive, sporting goods, construction, medical devices.

• Household appliances, toys, jewelry, cosmetics

• Textiles, electronics, furniture, food packaging

• Marine applications, agricultural tools, office supplies, musical instruments

Define a first class lever and give an example.

• An example of a first class lever is a seesaw.

• A crowbar is a first class lever.

• A pair of scissors is a first class lever.

• A wheelbarrow is a first class lever.

What is a second class lever? Provide an example.

• A crowbar is a second class lever.

• A seesaw is a second class lever.

• A pair of scissors is a second class lever.

• An example of a second class lever is a wheelbarrow.

Explain what a third class lever is and give an example.

• A seesaw is an example of a third class lever.

• A door hinge functions as a third class lever.

• An example of a third class lever is a pair of tweezers.

• A wheelbarrow is a third class lever.

What is a raw material?

• A raw material is a type of machinery used in factories.

• A raw material is a basic substance used in the production of goods.

• A raw material is a service provided to consumers.

• A raw material is a finished product ready for sale.

List two examples of raw materials used in manufacturing.

• Iron ore, Cotton

• Aluminum foil

• Glass shards

• Plastic pellets

What are user needs when designing a phone?

• Color variety, screen size, brand loyalty

• Accessories availability, warranty period, customer service

• Operating system updates, social media integration, gaming capabilities

• Functionality, usability, design aesthetics, battery life, camera quality, performance, software ecosystem, security features, and price.

What are user wants when designing a phone?

• Heavy weight

• User-friendly interface, high-quality camera, long battery life, durability, good performance, ample storage, attractive design, connectivity options, and security features.

• Limited app selection

• Low screen resolution

Explain the concept of nesting in design.

• Nesting is the arrangement of elements within other elements to create a structured hierarchy.

• Nesting is the technique of using only one element in a design.

• Nesting refers to the process of layering colors in design.

• Nesting involves creating a flat layout without any hierarchy.