GEOGRAPHY Grade 11
TERM 1 Week 4
TOPIC AFRICA’S WEATHER AND CLIMATE
AIMS OF LESSON How do ocean currents heat the atmosphere;
The influence of ocean currents on rainfall distribution;
What is the difference between El Niño and La Niña;
What are synoptic weather maps and why are they
important?
RESOURCES Paper Digital resources
based
resources
Refer to
your https://youtu.be/pM7_AtCN7Rk
textbook: https://youtu.be/J8GQAWB__NI
Read the topic: https://youtu.be/wVlfyhs64IY
Heating of the https://youtu.be/KbExgExA93Y
atmosphere.
INTRODUCTION • Which ocean currents affect the temperature of South Africa?
• How does ocean currents affect the rainfall of our country?
• Does El Niño and La Niña affect our climate?
• What are synoptic weather maps and how do we read them?
CONCEPTS AND • The influence of CAN YOU?
SKILLS ocean currents. Distinguish between ocean currents that
• The phenomena El affect South Africa?
Niño and La Niña. Distinguish between the phenomena El Niño
• Synoptic weather and La Niña.?
maps and how to Identify and read a synoptic weather map?
read and interpret
it.
ACTIVITIES/ Complete the attached activities as well as those in your textbook.
ASSESSMENT
CONSOLIDATION • Complete the activities.
• Study the diagrams to understand the effects of ocean currents on
South African weather and rainfall.
• Be aware of the effects of El Niño and La Niña.
• To appreciate the value of water in South Africa and to
wisely use it.
VALUES It is important to understand the role of oceans and its impact on our
weather and rainfall thus appreciating our water resources.
, The World’s Oceans – What are ocean currents?
An ocean current is the horizontal movement of water on a large
scale in the oceans. It is a steady flow of ocean water in a constant direction.
Where are the warm and cold currents in the world?
(Source: https://climate.ncsu.edu/edu/Structure) (Source: ttps://www.teachengineering.org/activities/view/cub_air_lesson01_activity1)
How do ocean currents influence climate?
• The air above the warm ocean current is warmed by the water.
• The air above the cold ocean current is cooled by the water.
• Warmer air can hold more water vapour than cooler air.
• Ocean currents have a great influence on climate because of their effect on temperature
and humidity.
How do the ocean currents influence the rainfall in South Africa?
TERM 1 Week 4
TOPIC AFRICA’S WEATHER AND CLIMATE
AIMS OF LESSON How do ocean currents heat the atmosphere;
The influence of ocean currents on rainfall distribution;
What is the difference between El Niño and La Niña;
What are synoptic weather maps and why are they
important?
RESOURCES Paper Digital resources
based
resources
Refer to
your https://youtu.be/pM7_AtCN7Rk
textbook: https://youtu.be/J8GQAWB__NI
Read the topic: https://youtu.be/wVlfyhs64IY
Heating of the https://youtu.be/KbExgExA93Y
atmosphere.
INTRODUCTION • Which ocean currents affect the temperature of South Africa?
• How does ocean currents affect the rainfall of our country?
• Does El Niño and La Niña affect our climate?
• What are synoptic weather maps and how do we read them?
CONCEPTS AND • The influence of CAN YOU?
SKILLS ocean currents. Distinguish between ocean currents that
• The phenomena El affect South Africa?
Niño and La Niña. Distinguish between the phenomena El Niño
• Synoptic weather and La Niña.?
maps and how to Identify and read a synoptic weather map?
read and interpret
it.
ACTIVITIES/ Complete the attached activities as well as those in your textbook.
ASSESSMENT
CONSOLIDATION • Complete the activities.
• Study the diagrams to understand the effects of ocean currents on
South African weather and rainfall.
• Be aware of the effects of El Niño and La Niña.
• To appreciate the value of water in South Africa and to
wisely use it.
VALUES It is important to understand the role of oceans and its impact on our
weather and rainfall thus appreciating our water resources.
, The World’s Oceans – What are ocean currents?
An ocean current is the horizontal movement of water on a large
scale in the oceans. It is a steady flow of ocean water in a constant direction.
Where are the warm and cold currents in the world?
(Source: https://climate.ncsu.edu/edu/Structure) (Source: ttps://www.teachengineering.org/activities/view/cub_air_lesson01_activity1)
How do ocean currents influence climate?
• The air above the warm ocean current is warmed by the water.
• The air above the cold ocean current is cooled by the water.
• Warmer air can hold more water vapour than cooler air.
• Ocean currents have a great influence on climate because of their effect on temperature
and humidity.
How do the ocean currents influence the rainfall in South Africa?
