Core Materials Flashcards
What does DT stand for in the context of education?
Design and Technology
True or False: Wood is a non-renewable material.
False
Name one example of a thermoplastic material.
Polyethylene
What is the primary characteristic of metals?
They are good conductors of heat and electricity.
Fill in the blank: ______ is a common composite material used in construction.
Concrete
Which material is known for its lightweight and strength, often used in aerospace?
Aluminium
What is the main advantage of using biodegradable materials?
They break down naturally and reduce environmental impact.
True or False: Glass is a crystalline solid.
False
What is the process of shaping metal using heat called?
Forging
Name one property of ceramics.
They are hard and brittle.
What is the main use of MDF in design and technology?
It is used for furniture and cabinetry.
What type of material is polypropylene?
Thermoplastic
True or False: Steel is an alloy of iron and carbon.
True
What does the acronym ‘PLA’ stand for in 3D printing?
Polylactic Acid
Fill in the blank: ______ is a natural fiber used in textiles.
Cotton
What is one disadvantage of using PVC?
It can release harmful chemicals when burned.
Which material is often used for making prototypes due to its ease of use?
Foam
What is the main characteristic of thermosetting plastics?
They cannot be remolded after curing.
True or False: All metals can rust.
False
What is the purpose of using laminates in materials?
To enhance durability and aesthetics.
Name one application of carbon fiber.
Used in sports equipment like bicycles.
What is the main environmental benefit of using recycled materials?
It reduces waste and conserves resources.
Fill in the blank: ______ is a type of glass commonly used in windows.
Float glass
What is a common characteristic of elastomers?
They are elastic and can stretch.
Which type of wood is known for its resistance to decay?
Teak
What is an example of a ferrous metal?
Iron
True or False: Composite materials are made from two or more different materials.
True
