Metals - GCSE DT Flashcards

1
Q

How are metals made?

A

They are extracted from metal ores which are processed and refined

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2
Q

What is an alloy?

A

An alloy is a metal created by 2 or more metals/ substances to create improved properties

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3
Q

Does ferrous or non-ferrous contain iron?

A

Ferrous metals contain iron

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4
Q

Does ferrous or non-ferrous rusts/corrodes easily?

A

Ferrous rusts easily

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5
Q

How to prevent rust on ferrous metals?

A

Have a protective layer (oil, wax, paint…)

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6
Q

Does ferrous or non-ferrous conduct?

A

Non-ferrous conducts

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7
Q

Which is more expensive ferrous or non-ferrous?

A

Non-ferrous is more expensive

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8
Q

Is ferrous or non-ferrous magnetic?

A

Ferrous is magnetic

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9
Q

What are low carbon steels properties?

A

Tough, weldable and costs less than stainless steel

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10
Q

What are the uses of low carbon steel?

A

Wires and vehicle bodies

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11
Q

What are stainless steels properties?

A

Durable, temperature resistant and low maintenance

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12
Q

What are uses of stainless steel?

A

Utensils and architecture

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13
Q

What are the properties of aluminium?

A

Corrosion resistant, non-sparking and non-magnetic

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14
Q

What is aluminium used for?

A

Foils and utensils

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15
Q

What are the properties of copper?

A

Corrosion resistant, malleable and conductive

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16
Q

What is copper used for?

A

Computers and electrical equipment

17
Q

What is the alloy bronze made from?

A

Copper and tin

18
Q

What are bronze’s properties?

A

Corrosion resistant, ductile and high melting point

19
Q

What is bronze used for?

A

Bearings and guitar + piano strings

20
Q

What is the alloy brass made from?

A

Copper and zinc

21
Q

What are brass’s properties?

A

Soft, corrosion resistant and heat conductor

22
Q

What is brass’s uses?

A

Musical instruments and tubing + piping