Life in a dry region: Mali

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• Leerjaar 1

Life in a dry region: Mali

Today:

-check homework(vodeo Great Green Wall)

--explanation G51 Drought

-homework

Goals:

-What are the two ways of making a living in dry regions?

-G51 Drought

Sahel

Drought

Coursebook:

-What’s the difference in precipitation in Mali:

--Per region?

--In 1 year?

-What are the characteristics of the landscapes in Mali?

-What are the two ways of making a living in dry regions?

-How come the Sahel is a vulnerable region?

Geo Guide:

G51: Drought

G97: Savanne

G98: Steppe

G99: Desert

Savanna

Trees and bushes

Dry periods

Giraffes

Grasses

Elephants

North and south of the equator

Tropical grass

Dry period for four till six months 

Zebras

Lions

Steppe

250-500 mm precipitation in one year

Three till four months of precipitation

Grasses

Bushes with smaller leaves

Plants contain deep roots

Low bushes

Dry period for nine months 

Area between savanna and deserts.

Desert

Almost no precipitation at all

Between 20o en 40o N’. and 20o en 40o S’.

Cacti(cactus)

Zero to 250 mm precipitation

Desert steppe

Sand, Rocks, Gravel

Oasis

Date palms 

Heat and cold

Question 4a)
Which characteristics best suit the tropical rainforest?

1. Precipitation: less than 250 mm and 0 months
2. Precipitation: less than 250 mm and 12 months
3. Precipitation: more than 2000 mm and 0 months
4. Precipitation: more than 2000 mm and 12 months

Question 4a)
Which characteristics best suit the savannah?

1. Precipitation: between 250-500 mm and 3 months
2. Precipitation: between 250-500 mm and 6-8 months
3. Precipitation: between 1000-2000 mm and 3 months
4. Precipitation: between 1000-2000 mm and 6-8 months

Question 4a)
Which characteristics best suit the steppe?

1. Precipitation: less than 250 mm and 0 months
2. Precipitation: less than 250 mm and 3 months
3. Precipitation: between 250-500 mm and 0 months
4. Precipitation: between 250-500 mm and 3 months

Question 4a)
Which characteristics best suit the desert?

1. Precipitation: less than 250 mm and 0 months
2. Precipitation: less than 250 mm and 12 months
3. Precipitation: more than 2000 mm and 0 months
4. Precipitation: more than 2000 mm and 12 months

Question 4d(page 28)

Answers questions 4

4 a  tropical rainforest 2,000 and more 12

 savannah 1,000 - 2,000 6 - 8

 steppe 250 - 500 3

 desert less than 250 0 / nearly always dry

 b Tropical rainforests are characterized by dense, impenetrable forest. The savannah is characterized by clusters of trees and grasses. Other difference: There are always leaves on the trees in tropical rainforests, but not on trees in the savannah.

 c It rains all year round in tropical rainforests, but not in the savannah.

 d 1 The grasses have deep roots and grow far apart.

  2 The bushes have long, narrow leaves or thorns to prevent evaporation.

 e 1 well oasis (the water comes from an underground well)

  2 river oasis (a river brings water from wetter areas)

Question 5

Answers question 5c

 A Describe: What are dry regions?

  Areas with less than 500 mm of precipitation a year.

  There are two types:

  1 steppes

  2 deserts

 B Describe: Where are dry regions located?

  North and south of the tropics (between about 20° and 40° N and S).

 C Explain: Why are they located there?

  The air that rises in the tropics goes down here. It gets warmer and can hold more vapour

   so there is no precipitation.

Question 6b

Answers workbook 6

6 a people who have no permanent place to live.

 b their livestock: camels, sheep and goats

 c X meat

  X carpets

  X leather

  X milk

Homework

-Read coursebook page 27

-Watch the video about the 'Great Green Wall'

-Answer the questions of the video

Link to video+ questions in chat, SOM en Teams.

Questions video

1. What is the Great Green Wall?
   
2. Why did people built the Great Green Wall?
   
3. Name a positive effect of this wall for the locals.