شرح ساينس الصف الخامس الابتدائي لغات مستر احمد الباشا
ساينس خامسة ابتدائي

لينك تحميل الملزمة
https://drive.google.com/file/d/1jp6uYlsZWw4BIriVuo6esnAQXZqlhVRZ/view?usp=sharing

لينك تليجرام
https://t.me/mrahmedelbashagroup

In this part :
The Sun
- It is a medium-sized star.
- It is the only star that is located in our solar system, while other stars are farther away from the solar system.
- It appears so bright in the sky, because it is the largest object in the solar system and it is the closest star to Earth.
- It provides Earth with heat and light which are necessary for continuity of life on Earth.

Stars
They are giant spheres of superhot gases most of them are hydrogen and helium

Stars appear bright in the sky due to burning of gases that form these stars.

How does the Sun produce heat (thermal energy) and light energy ?
Like all stars, the Sun uses the energy produced from reactions between gases inside it to give off heat (thermal energy) and light energy.
► Throughout the ages, scientists have been interested in studying the Sun and how it produces huge amount of heat and light.

بالتوفيق
مستر احمد الباشا