Design & Technology Simple Revision Cards

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What is the difference between hardwood and softwood?
Hardwood comes from broad-leaved trees that produce tough, strong timber and softwood comes from cone-bearing conifer (evergreen) trees which have needles rather than leaves.
1 of 6
Name 3 properties that make aluminium a good non-ferrous metal
Lightweight
Ductile
Malleable
Corrosion resistant
Can be welded
Thermal insulator
2 of 6
What is the melting point of brass?
930 degrees Celsius
3 of 6
What is the definition of thermoplastics?
Thermoplastics are materials that can be repeatedly reheated to be reshaped.
4 of 6
Name an advantage, disadvantage and use of medium density fibreboard (MDF)
Advantages :Has two smooth faces, Can be veneered with timber, easy to cut
Disadvantages: Produces fine dust/fibres when cut or sanded that can cause irritation, causes some environmental issues, can be heavy
Uses: Model or mould making, furniture items,
5 of 6
What is the difference between smart and modern materials?
Smart material: A material whose physical properties change in response to an input or change in the environment, such as electricity, pressure, temperature or light.
Modern material: A material developed through the invention of new or improved processes
6 of 6

Other cards in this set

Card 2

Front

Name 3 properties that make aluminium a good non-ferrous metal

Back

Lightweight
Ductile
Malleable
Corrosion resistant
Can be welded
Thermal insulator

Card 3

Front

What is the melting point of brass?

Back

Preview of the front of card 3

Card 4

Front

What is the definition of thermoplastics?

Back

Preview of the front of card 4

Card 5

Front

Name an advantage, disadvantage and use of medium density fibreboard (MDF)

Back

Preview of the front of card 5
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AmberMurray

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