شرح ساينس الصف الخامس الابتدائي لغات - الفصل الدراسي الثاني
شرح ساينس خامسة ابتدائي - ترم ثاني

لينك تحميل الملزمة
https://drive.google.com/file/d/1Q-YGYBgFZv2txNvg3XfR5kja_voasBSN/view?usp=sharing

لينك تليجرام
https://t.me/mrahmedelbashagroup

In This Lesson:
Scientists have divided the Earth into four main systems (or spheres) which are:
• Geosphere:
It is the system that includes:
- Rocks on the Earth's crust.
- Molten rocks and heavy metals that lie under the Earth's crust.


• Atmosphere:
- It is the system that is composed of a mixture of some gases such as nitrogen, oxygen, carbon dioxide, water vapor ... etc.

• Biosphere:
It is the system that includes all living organisms such as microorganisms, plants,
animals, humans ... etc.

• Hydrosphere:
It is the system that includes all water on the Earth (fresh water and salt water).

► How do living organisms use water?
Living organisms need water to drink, grow and survive.

►How does water affect nonliving things ?
Water can cause weathering and erosion of rocks on the Earth's surface.


Nearly 71% or three-quarters of Earth is covered by water, so our planet looks like a blue marble from space.
Water bodies on Earth can change from liquid state to:

Importance of water for life
Humans and animals drink water to survive.
Plants need water to grow.
Some animals and plants live in water.
Uses of water
Humans use water in many purposes such as:

بالتوفيق
مستر احمد الباشا