Science | Grade 6 | Heat Conduction | Part (2|2) | Unit Two - Lesson One

In This part we will study :
Heat conductors and heat insulators:
Heat conductors
They are the materials that allow heat to flow through.
Ex. iron - copper - aluminum -
stainless steel.
Heat insulators
They are the materials that do not allow heat to flow through.
Ex. Wood - plastic - glass - paper – wool – rubber - liquids - gases (air).
Give Reason for …
1. Iron is a good conductor of heat.
Because iron allows heat to flow through.
2. Wood is a bad conductor of heat.
Because wood does not allow heat to flow through.
 life applications on heat conductors and heat insulators.
1- On constructing the railways, gaps are left between the railway bars.(G.R)
To avoid train accidents as iron is a good conductor of heat which expands and twists by heat.


2- Insulating glass windows are made by bonding two sheets of glass and leaving a space between them filled with air. (G.R)
To prevent the leakage of heat as air is a bad conductor of heat.


لينك تحميل الملزمة :
Grade 6 - unit Two - lesson One - First Term 2020


تم شرح هذا الدرس في (2) فيديو شاهدها بالترتيب
Heat Conduction
(Part (1/2

(Part (2/2 تشاهده الان


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