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
مستر احمد الباشا