Cambridge igcse Design Technology flashcards for resistant Materials, short , cover everything

Question 1

What are resistant materials?

Answer 1

Materials that can withstand stress and are used in manufacturing durable products.

Question 2

Name three examples of resistant materials.

Answer 2

Wood, metals, and plastics.

Question 3

True or False: Wood is considered a resistant material.

Answer 3

True

Question 4

What is the primary purpose of resistant materials in design technology?

Answer 4

To create products that are functional, durable, and aesthetically pleasing.

Question 5

Fill in the blank: __________ is a common metal used in resistant materials.

Answer 5

Steel

Question 6

What is the difference between hardwoods and softwoods?

Answer 6

Hardwoods come from deciduous trees and are typically denser, while softwoods come from coniferous trees and are generally lighter.

Question 7

Which plastic is known for its high strength and impact resistance?

Answer 7

Polycarbonate

Question 8

What is tensile strength?

Answer 8

The maximum amount of tensile (stretching) stress that a material can withstand before failure.

Question 9

True or False: Thermoplastics can be reshaped when heated.

Answer 9

True

Question 10

What type of wood is commonly used for furniture?

Answer 10

Hardwood

Question 11

What is the main characteristic of thermosetting plastics?

Answer 11

They cannot be remolded or reshaped once set.

Question 12

Name one advantage of using metals in design.

Answer 12

High strength and durability.

Question 13

Fill in the blank: __________ is a property of materials that describes their ability to conduct heat.

Answer 13

Thermal conductivity

Question 14

What is the process of shaping materials called?

Answer 14

Manufacturing

Question 15

True or False: Aluminum is a non-ferrous metal.

Answer 15

True

Question 16

What does the term ‘malleability’ refer to?

Answer 16

The ability of a material to be deformed under compressive stress.

Question 17

Name a common use for plywood.

Answer 17

Construction and furniture.

Question 18

What is a common treatment for wood to enhance its durability?

Answer 18

Varnishing or pressure treatment.

Question 19

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

Answer 19

True

Question 20

What is the main advantage of using composite materials?

Answer 20

They combine the best properties of the individual materials.

Question 21

Fill in the blank: __________ is a common method of joining metal parts.

Answer 21

Welding

Question 22

What is the significance of the grain direction in wood?

Answer 22

It affects the strength and appearance of the finished product.

Question 23

What is an example of a biodegradable plastic?

Answer 23

PLA (Polylactic Acid)

Question 24

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

Answer 24

True

Question 25

What is the purpose of surface finishing in resistant materials?

Answer 25

To enhance appearance and protect against corrosion.

Question 26

Fill in the blank: __________ is used to measure the hardness of materials.

Answer 26

Mohs scale

Question 27

What is the process of removing material to create a desired shape called?

Answer 27

Machining

Question 28

What does the term 'ductility' mean?

Answer 28

The ability of a material to deform under tensile stress.

Question 29

Name a property that makes plastics suitable for electrical insulation.

Answer 29

Low electrical conductivity.

Question 30

What is a common use for MDF (Medium Density Fiberboard)?

Answer 30

Furniture and cabinetry.

Question 31

True or False: Ferrous metals contain iron.

Answer 31

True

Question 32

What is the significance of a material's melting point?

Answer 32

It indicates the temperature at which the material transitions from solid to liquid.

Question 33

Fill in the blank: __________ is the process of combining materials to form a new material.

Answer 33

Compositing

Question 34

What is the main characteristic of acrylic plastic?

Answer 34

Transparency and clarity.

Question 35

Name one disadvantage of using wood as a material.

Answer 35

Susceptibility to moisture and pests.

Question 36

What is an example of a non-ferrous metal?

Answer 36

Copper

Question 37

True or False: All plastics are recyclable.

Answer 37

False

Question 38

What is the purpose of a prototype in design technology?

Answer 38

To test and evaluate design concepts before final production.

Question 39

Fill in the blank: __________ is a common method of shaping plastics.

Answer 39

Injection molding

Question 40

What does 'sustainability' refer to in materials design?

Answer 40

Using resources in a way that meets present needs without compromising future generations.

Question 41

What is the main disadvantage of using metals?

Answer 41

Weight and susceptibility to corrosion.

Question 42

Name one property that affects the selection of materials for a specific application.

Answer 42

Strength, weight, cost, or durability.

Question 43

True or False: Glass is considered a resistant material.

Answer 43

True

Question 44

What is the purpose of CAD in design technology?

Answer 44

To create detailed digital designs and models.

Question 45

Fill in the blank: __________ is a technique used for shaping metals using heat.

Answer 45

Forging

Question 46

What does 'ceramics' refer to in resistant materials?

Answer 46

Inorganic, non-metallic materials that are typically hard and brittle.

Question 47

Name a characteristic feature of fiberglass.

Answer 47

Lightweight and high strength.

Question 48

True or False: Composites can be made from both natural and synthetic materials.

Answer 48

True

Question 49

What is the role of aesthetics in design technology?

Answer 49

To enhance the visual appeal of products.

Question 50

Fill in the blank: __________ is a method of joining materials using adhesive.

Answer 50

Bonding

Question 51

What is a common use for stainless steel?

Answer 51

Cutlery and kitchen appliances.

Question 52

What does 'environmental impact' refer to?

Answer 52

The effect that a product or material has on the environment.

Question 53

True or False: All metals are malleable.

Answer 53

False

Question 54

What is the significance of using recycled materials?

Answer 54

To reduce waste and conserve natural resources.

Question 55

Fill in the blank: __________ is a type of wood that has been engineered for strength and stability.

Answer 55

Laminated wood

Question 56

What does 'biodegradable' mean?

Answer 56

Capable of being decomposed by natural processes.

Question 57

Name one example of a synthetic fiber.

Answer 57

Nylon

Question 58

True or False: All plastics are derived from petroleum.

Answer 58

False

Question 59

What is a key advantage of using aluminum in design?

Answer 59

Lightweight and resistant to corrosion.

Question 60

What does 'load-bearing' refer to in materials?

Answer 60

The ability of a material to support weight.

Question 61

Fill in the blank: __________ is a property of materials that describes their resistance to deformation.

Answer 61

Stiffness

Question 62

What is an example of a natural fiber?

Answer 62

Cotton

Question 63

True or False: Composite materials can enhance performance in specific applications.

Answer 63

True

Question 64

What is a common application for carbon fiber?

Answer 64

Aerospace and automotive components.

Question 65

Fill in the blank: __________ is a process used to create thin sheets of metal.

Answer 65

Rolling

Question 66

What does 'impact resistance' refer to?

Answer 66

The ability of a material to withstand sudden force or shock.

Question 67

Name a common use for ceramics.

Answer 67

Tiles and pottery.

Question 68

True or False: All resistant materials are suitable for outdoor use.

Answer 68

False

Question 69

What is the role of ergonomics in design technology?

Answer 69

To ensure products are comfortable and efficient for users.