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dt > Core Materials > Flashcards

Core Materials Flashcards

1
Q

What does DT stand for in the context of education?

A

Design and Technology

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2
Q

True or False: Wood is a non-renewable material.

A

False

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3
Q

Name one example of a thermoplastic material.

A

Polyethylene

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4
Q

What is the primary characteristic of metals?

A

They are good conductors of heat and electricity.

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5
Q

Fill in the blank: ______ is a common composite material used in construction.

A

Concrete

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6
Q

Which material is known for its lightweight and strength, often used in aerospace?

A

Aluminium

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7
Q

What is the main advantage of using biodegradable materials?

A

They break down naturally and reduce environmental impact.

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8
Q

True or False: Glass is a crystalline solid.

A

False

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9
Q

What is the process of shaping metal using heat called?

A

Forging

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10
Q

Name one property of ceramics.

A

They are hard and brittle.

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11
Q

What is the main use of MDF in design and technology?

A

It is used for furniture and cabinetry.

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12
Q

What type of material is polypropylene?

A

Thermoplastic

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13
Q

True or False: Steel is an alloy of iron and carbon.

A

True

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14
Q

What does the acronym ‘PLA’ stand for in 3D printing?

A

Polylactic Acid

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15
Q

Fill in the blank: ______ is a natural fiber used in textiles.

A

Cotton

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16
Q

What is one disadvantage of using PVC?

A

It can release harmful chemicals when burned.

17
Q

Which material is often used for making prototypes due to its ease of use?

A

Foam

18
Q

What is the main characteristic of thermosetting plastics?

A

They cannot be remolded after curing.

19
Q

True or False: All metals can rust.

A

False

20
Q

What is the purpose of using laminates in materials?

A

To enhance durability and aesthetics.

21
Q

Name one application of carbon fiber.

A

Used in sports equipment like bicycles.

22
Q

What is the main environmental benefit of using recycled materials?

A

It reduces waste and conserves resources.

23
Q

Fill in the blank: ______ is a type of glass commonly used in windows.

A

Float glass

24
Q

What is a common characteristic of elastomers?

A

They are elastic and can stretch.

25
Q

Which type of wood is known for its resistance to decay?

A

Teak

26
Q

What is an example of a ferrous metal?

A

Iron

27
Q

True or False: Composite materials are made from two or more different materials.

A

True

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