سؤال القطعة وكيفية كتابتها

Write a short paragraph of 5 sentences on:

"The properties of materials"
use the following guiding words :
materials – differ – properties / steel – strong – tension / lead – high – malleability / copper – high – ductility / concrete – strong – compression.

        Different materials differ in their properties. Steel is strong in tension. Lead has high malleability, When you strike it with a hammer, it changes its shape, but it doesn't break. Copper is used for making wires because of it has high ductility. Concrete is strong in compression, When you squeeze or press it, it doesn't break or bend.
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"Some safety rules on a building site"
- building site.            
- before entering - put on – helmet – protect – head.
- boots – feet and legs.            
- goggles  -  injuring eyes.
- keep gloves on – using chemicals.

         Before entering  building site, you should  put on safety clothes . Wear your helmet to protect your head. Wear safety boots to protect your feet and legs. Wear your goggles to protect your eyes from   injuring. You should  keep gloves on when using chemicals.

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"Glass"
Glass – discovered – long time/ hard –brittle – broken –transparent / used – windows – mirrors – bottles/ heated – melt – changes – liquid/ useful material.
                 
    Glass has been discovered a long time ago. Glass is a hard, brittle and transparent material which can be broken easily. Glass is used for making windows, mirrors, bottles and many other useful things. When glass is heated, it melts and changes into liquid. Glass is a useful material.

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"Global warming"
Increase – green house – earth / Co2 – CH4 / prevent – heat – escaping – into space / temperature – world – rise / sea – destruction – coral reefs / decrease – increase

           Global warming increases greenhouse gases in the earth earth's atmosphere. Greenhouse gases are carbon dioxide (CO2) and methane (CH4). Gases prevent heat from escaping from earth into space. The temperature of the world may rise 3.5ºC by the year 2100. Rising of sea temperature is causing the destruction of coral reefs

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" The intelligence house in the future "
Intelligent house – future – appliances / control – computer - sensor / someone – door – his eyes / voice sensors – talking / computers – washing machines – TV

     The intelligence house in the future will have a lot of appliances. They are controlled by computers and sensors. If someone knocks at the door, the sensors recognize person by examining the retina of his eyes. Voice sensors to control computers and appliances by talking to them. Computers will operate washing machines, VCR, TV, switching lights,