Unit 2 revision 5 Word Scramble
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Question | Answer |
Copper is used for ... | water pipes,hot water cylinders and wiring |
Copper is used for water pipes and hot water cylinders because it is ... | malleable, strong, has a high melting point and does not react with water |
Copper is used for wiring because it is.... | strong, ductile, has a high melting point and is a good conductor of electricity |
Lead is used for ... | flashing on roofs because it is unreactive and malleable |
Steel is used to make.. | supporting structures and fixings because it has a high tensile strength. |
Aluminium is used in... | window frames because it is resistant to corrosion, malleable, strong and light. |
Polymers used in construction are... | poly(ethene), poly(propene), polystyrene and PVC. |
Most polymers have low melting points, which makes them... | easy to mould into shapes. |
Why are polymers used for electrical and thermal insulation? | Because they are poor conductors of heat and electricity |
Why are polymers used for pipes,guttering, containers for water and other chemicals? | Because they are resistant to corrosion and waterproof |
What are the properties of ceramics? | hard, brittle solids with high melting points and are resistant to chemical attack. |
What are the uses of ceramics? | construction and decoration (bricks and tiles), pottery products (bathroom basins and toilets) and specialist industrial materials (for example, lining for furnaces and insulators on power transmission lines). |
Created by:
carolinemorgan
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