شرح ساينس الصف الرابع الابتدائي لغات - الفصل الدراسي الثاني
شرح ساينس رابعة ابتدائي - ترم ثاني
لينك تحميل الملزمة
https://drive.google.com/file/d/1WZO-jfpJdcCvrf8lVAuHwkeHNRG6nUTD/view?usp=sharing
لينك تليجرام
https://t.me/mrahmedelbashagroup
In This Lesson:
1- Biofuel
It is a fuel that is produced from living organisms that can be planted (i.e., plants).
Examples:
Biofuels are renewable fuels which means that they can be continually renewed as plants grow.
Although biofuels are renewable energy resources, they should be conserved, where:
2- Fossil fuel
It is a fuel that is produced from old living organisms (plants or animals) that were buried and decomposed over a long period of time.
Examples:
Fossil fuel is a non-renewable energy resource, because once it is consumed, it runs out faster than it can be renewed.
Formation of coal:
Formation of oil:
The following table shows some differences between oil and water and how to conserve each of them:
بالتوفيق
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