2. DESERT by FUNG Man-to GEOGRAPHY Form 2 Unit: 4.1 Title: DESERT (1)What are deserts? (2)The desert surface (3)The desert climate (4)Where are deserts? (5)The desert vegetation

3. What are deserts? Describe the characteristics of deserts Do deserts mean a large area of sand ?

4. Deserts are areas with little vegetation scanty rainfall <250mm Homework: WS 4.1.1P.53 Q.(A) Do deserts mean a large area of sand ?

5. The Desert Surfaces Not all deserts are made up of sand 3 types of desert surfaces: sandy rocky stony

6. Sandy Desert Sandy Desert is covered with sand Sandy Desert is covered with sand

7. Stony Desert is covered with stones/small rocks Stony Desert is covered with stones/small rocks Stony Desert

8. Rocky Desert is covered with rocks Rocky Desert is covered with rocks Rocky Desert

9. The Desert Climate scanty / little / unstable <250mm HOT Refer to Tb.Fig.3 P.102 DAY = _____ o C 50 NIGHT = _____ o C 20 Daily range of temperature is LARGE. Homework: WS 4.1.1 P.53-54 Q. (b)

10. Where are deserts ? Deserts occupy 1/3 of the land

11. The largest desert in the world is ____________________. The largest desert in China is _______________________. Takla Makan Desert Sahara Desert Homework: WS 4.1.2 P

12. The desert vegetation Short-lived plants after rain

13. The desert vegetation Cacti have fleshy stems to store water

14. The desert vegetation Palm trees have thick bark for self-protection self-protection Homework: WS 4.1.1 P.54 Q. (C)

15. As there is water supply, plants can grow well.

16. An oasis is a place where water-table meets the surface of a desert. Refer to Fig. 5 on P.103 Textbook

17. Websites to visit: http://mbgnet.mobot.org/sets/desert/index.htm http://pubs.usgs.gov/gip/deserts/contents http://www.desertusa.com/index.html http://www.eden-foundation.org/project/desertif.html

18. CD ROM: Exploring Geography 2 Relevant CD ROM to read:

19. Which of the following statements are TRUE ? (a) Deserts are full of sand. T (b) Temperature in deserts is always high. (c) Deserts are very hot. (d) Deserts have little vegetation. (e) There can be heavy rain in deserts. F T T F

20. by FUNG Man-to (5-4-2001)