Sahara desert

2. desert
Largest
in the
World

3. SAHARA DESERT

4. Introduction
• The sahara is the world largest hot desert.
• It is located in North Africa
• It covers 9200000 squarekilometers wich is
comparable to the China

5. What does sahara means?
• . In fact, the word Sahara is derived from the Arabic
noun ṣaḥrā meaning “desert”. Sahara is also related
to the adjective ashar, meaning “desert like”, referring
to a reddish colour.

6. How hot is the sahara desert?
• The average annual temperature is 30 degree C.
• The hottest temperature is 58 degree C.
• Sahara receives less than 1 inch of rain every year.
• Temperature drop dramatically at night,due to the lack
of humidity.

7. What can be found in sahara desert?
• Sahara is made up of barren , rockey plateaus ,salt
flats,sand dunes mountains and dry valleys.
• The rivers and streams found in the sahara.
• There are over 20 lakes in Sahara.
• Lake Chad is the only fresh water
lake in the desert.
• The largest Peak in Sahara is Emi
Koissi.

8. Has the Sahara desert changed over the
year?
• The change came approximately 5000 years ago
due to gradual change in tilt of earth.
• The sahara desert will become green again at
some point in the future.

10. Do people live in Sahara?
• The population of Sahara is just two million.
• People of Sahara move from place to
place depending on seasons.
• Others live in permanent communities near water
sources.