End Of Year Exams

Question 1

What are some examples of non ferrous metals?

Answer 1

Nickel
Aluminium
Copper
Lead

Question 2

What are some examples of ferrous metals?

Answer 2

Carbon steel
Stainless steel
Engineering steel
Cast iron

Question 3

What are some examples of alloy metals?

Answer 3

Bronze
Steel
Brass
Solder

Question 4

Where does metal come from?

Answer 4

They are found in ores in the earth’s crust

Question 5

Are metals renewable or non renewable?

Answer 5

Metals are a non renewable resource, as there is a finite amount of metal in the earth.

Question 6

What are negative effects that metals have on the environment?

Answer 6

• Most heavy metals cause environmental and atmospheric pollution, and may be lethal to humans.
• Heavy metals can become strongly toxic by mixing with different environmental elements, such as water, soil, and air, and humans and other living organisms can be exposed to them through the food chain.

Question 7

List 10 tools

Answer 7

Piercing saw
Tin snips
Craft knife
Vacuum former
Pillar drill
Metal punch
Soldering iron
Files
Polishing
Scribe

Question 8

List 5 tools and their uses

Answer 8

Chainsaw sharpener - Sharpens chainsaw
Snips - Cut sheet metal
Soldering iron - Heat solder
Vacuum former - Used to shape plastic

Question 9

State 3 health and safety precautions

Answer 9

Tie up your hair
Wear apron
Wear goggles

Question 10

Conductive

Answer 10

The ability to heat or electricity to travel though a material

Question 11

Sustainable

Answer 11

The avoidance of depleting non renewable, natural resources, maintaining

Question 12

Malleable

Answer 12

The ability of a material to withstand forces without bending or breaking

Question 13

Renewable

Answer 13

A natural resource that is depleted when used

Question 14

Durable

Answer 14

The ability of a material to withstand damage or wear

Question 15

Ductile

Answer 15

The ability of a material to deform by bending, twisting, or stretching

Question 16

Brittle

Answer 16

When a material cannot absorb energy and will result in breakages

Question 17

What are the 5 main components of a circuit board and what do they do?

Answer 17

USB lead - Carries power
Switch - Closes and opens circuit
LED
PCB - Provide electrical connection
Resistor - Controls how much electricity flows

Question 18

What are the 5 main components of a circuit board and what do they do?

Answer 18

USB lead - Carries power
Switch - Closes and opens circuit
LED
PCB - Provide electrical connection
Resistor - Controls how much electricity flows

Question 19

What are the 2 categories of polymers?

Answer 19

• Synthetic
• Natural

Question 20

What is the difference between synthetic and natural polymers?

Answer 20

Synthetic polymers are derived from petroleum oil and made by scientists and engineers

Question 21

What raw material is used to form polymers?

Answer 21

Petroleum

Question 22

Why are polymers bad for the environment?

Answer 22

• The non-biodegradable nature of synthetic polymers makes them a permanent waste
• The drilling of petroleum can cause major disruptions to wildlands and habitats

Question 23

Name the 6 polymers

Answer 23

Polyethene terephthalate
High-density polyethene
Polyvinyl chloride
Low-density polythene
Polypropylene
Polystyrene