Design and Technology Grade 9 Quiz

What are the different types of materials commonly used in design and technology?

• Copper, Bamboo, Vinyl, Silk, Clay

• Wood, Metal, Plastic, Fabric, Ceramics

• Aluminum, Cardboard, Concrete, Silk, Wool

• Glass, Paper, Rubber, Stone, Leather

Name three essential tools used in design and technology.

• Pencil, eraser, ruler

• Hammer, screwdriver, saw

• Paintbrush, canvas, easel

• Knife, fork, spoon

What is Computer-aided design (CAD) and how is it used in the field of design and technology?

• CAD is the use of computer software to create 2D or 3D models of physical objects. It is used in design and technology to create detailed and precise designs for products, buildings, and machinery.

• CAD is a new type of car designed for use in the field of design and technology

• CAD is a form of dance popular in the field of design and technology

• CAD is a type of coffee maker used in design and technology

Explain the process of creating a 3D model using Computer-aided design (CAD).

• Carving the model out of wood by hand.

• Drawing the model on paper with colored pencils.

• Using a 2D printer to create a 3D representation.

• Creating a digital representation of the object using specialized software.

What are the different types of plastics commonly used in design and technology?

• Polyethylene (PE), Polypropylene (PP), Polyvinyl Chloride (PVC), Polystyrene (PS), Acrylonitrile Butadiene Styrene (ABS), and Polycarbonate (PC)

• Aluminum, Copper, Steel, Iron

• Glass, Wood, Ceramic, Paper

• Nylon, Polyester, Rayon, Spandex

How are plastics classified based on their properties?

• By their color, size, and shape

• By their country of origin, manufacturing date, and price

• By their taste, smell, and texture

• By their properties such as thermoplastics, thermosetting plastics, and elastomers

What are manufactured boards and how are they used in design and technology?

• They are used for making electronic devices and appliances.

• They are only used for making paper and cardboard products.

• They are natural wood products used for making furniture and woodworking projects.

• They are man-made wood products used for making furniture and woodworking projects.

List three examples of manufactured boards commonly used in design and technology.

• Plywood, MDF, Particle board

• Ceramic, Leather, Fabric

• Brick, Asphalt, Rubber

• Concrete, Glass, Steel

What are the different types of timber commonly used in design and technology?

• Metal and plastic

• Concrete and glass

• Hardwood and softwood

• Bamboo and paper

Explain the process of selecting the right type of timber for a specific design and technology project.

• Consider factors such as strength, durability, appearance, and sustainability of the timber, and understand the specific requirements of the project and the properties of different types of timber available.

• Pick the timber that is the cheapest option available

• Select any type of timber without considering the project requirements

• Choose the timber based on the color of the wood