Product Design Y09 Spr1

Question 1

1.1 property

Answer 1

anything that describes the appearance or structure of a material or how it reacts to forces or elements

Question 2

1.2 compressive strength

Answer 2

the ability of a material to withstand a ‘squashing’ force

Question 3

1.3 tensile strength

Answer 3

the ability of a material to withstand a pulling/stretching force

Question 4

1.4 malleability

Answer 4

ability to permanently change shape by

Question 5

1.5 ductility

Answer 5

the ability to permanently change shape

Question 6

1.6 durability

Answer 6

the ability to withstand wear, tear and weathering

Question 7

1.7 thermal conductivity

Answer 7

the ability of a material to allow heat to flow through it

Question 8

1.8 electrical conductivity

Answer 8

the ability of a material to allow electricity to flow through it

Question 9

2.1 area of a rectangle

Answer 9

a

Question 10

2.2 area of a triangle

Answer 10

a

Question 11

2.3 circumference of a circle

Answer 11

a

Question 12

2.4 area of a circle

Answer 12

a

Question 13

3.1 ferrous metals

Answer 13

Metals that contain iron & are magnetic.

Question 14

3.2 non- ferrous

Answer 14

Metals that do not contain iron & are not magnetic.

Question 15

3.3 alloys

Answer 15

Metals that contain two or more elements.

Question 16

3.4 corrosion

Answer 16

The deterioration of a metal due to its environment.

Question 17

4.1 input

Answer 17

the signal that activates an electrical system

Question 18

4.2 process

Answer 18

the part of a circuit which processes the INPUT information to create the OUTPUT

Question 19

4.3 output

Answer 19

what happens as a result of the input & process.

Question 20

4.4 circuit

Answer 20

a complete loop of conductors.

Question 21

4.5 components

Answer 21

parts of a circuit. See symbols opposite.

Question 22

4.6 circuit diagram

Answer 22

a diagram using symbols and straight lines to represent the components and wires in a circuit

Question 23

4.7 soldering

Answer 23

a process in which 2 or more components are joined together by melting a metal into the joint

Question 24

4.8 circuit symbols

Answer 24

basic diagrams used to represent electrical components

Question 25

4.9 resistor

Answer 25

This component restricts (limits) the flow of electricity

Question 26

4.1 LED

Answer 26

light emitting diode – an alternative to a bulb as an output

Question 27

5.1 battery

Answer 27

a

Question 28

5.2 switch

Answer 28

a

Question 29

5.3 resistor

Answer 29

a

Question 30

5.4 Light emitting Diode - LED

Answer 30

a