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?

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Presentation transcript:

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

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

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 ?

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

Sandy Desert Sandy Desert is covered with sand Sandy Desert is covered with sand

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

Rocky Desert is covered with rocks Rocky Desert is covered with rocks Rocky Desert

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 P Q. (b)

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

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

The desert vegetation Short-lived plants after rain

The desert vegetation Cacti have fleshy stems to store water

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

As there is water supply, plants can grow well.

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

Websites to visit:

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

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

by FUNG Man-to ( )