شرح ساينس الصف الخامس الابتدائي لغات - الفصل الدراسي الثاني
شرح ساينس خامسة ابتدائي - ترم ثاني
لينك تحميل الملزمة
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لينك تليجرام
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In This Lesson:
Let's see some other uses of water such as:
Sources of water
Sources of fresh water and sources of salt water.
Sources of fresh water
Sources of salt water
Conserving fresh water
Conserving fresh water means using water in a correct way, because the percentage of fresh water that is suitable for drinking is very small compared to the percentage of water on Earth.
So, we must conserve the limited amount of fresh water through many ways such as:
1 Turning off water tap (faucet) during brushing your teeth.
2 Taking a quick shower.
3 Turning off the water, while washing your hair.
Water of earth
A River:
Type of water: Fresh water.
Location: Mountains.
• A river often starts in the mountains as a stream.
• The flow of a river ends when it meets a sea or a larger river.
A lake:
Type of water: Most of lakes contain fresh water.
Location: Low-lying areas.
A lake is a large body of water surrounded by land.
A lake forms when water collects in a low-lying area.
A wetland :
Type of water: Fresh water or salt water.
Location: Land partially covered with water.
From kinds of wetlands : Swamps (marshes) and ponds (bogs).
an estuary:
Type of water: Saltwater mixes with fresh water.
Location: Where a river meets a sea or an ocean.
- Estuaries are home to thousands of plants and animals
Groundwater:
Type of water: Fresh water.
Location: In the cracks and spaces of underground rocks.
- There is more amount of groundwater on Earth than the water in rivers and lakes
Oceans:
Type of water: Salt water.
Location: Oceans surround the continents.
- All the oceans are connected to each other.
- The ocean's floor has mountains, plains and plateaus
بالتوفيق
مستر احمد الباشا