Basic Science and Technology – Primary 6 Weekly Short Class Lesson Notes for Second Term

WEEK 3 – CHANGE IN CLIMATE | WEATHER SYMBOLS AND RECORDS | GLOBAL WARMING

Note: This lesson is designed as a one-week lesson. However, it is broad in scope and may take longer than one week to complete. I recommend teaching it as an after-school lesson. The topics should be taught in the following order: 1. Change in Climate, 2. Weather Symbols and Records and 3. Global Warming. Each topic should be treated as a one-week lesson and should include multiple-choice questions with answers.

 

WEEK 3 (1) – MEANING OF CHANGE IN CLIMATE

Change in climate (also called climate change) means a long-term change in the usual weather conditions of a place. It includes changes in rainfall, temperature, wind, and seasons over many years.

 

CAUSES OF CHANGE IN CLIMATE 

1. Burning of fossil fuels (coal, petrol, diesel)

2. Cutting down trees (deforestation)

3. Smoke from factories and vehicles

4. Bush burning

5. Gas released from waste and refuse dumps

 

EFFECTS OF CHANGE IN CLIMATE 

1. Higher temperature (global warming)

2. Irregular rainfall

3. Flooding

5. Drought

6.Poor crop production

6. Spread of diseases

 

WAYS TO REDUCE OF CHANGE IN CLIMATE 

1. Plant more trees

2. Avoid bush burning

3. Reduce smoke from vehicles and generators

4. Use renewable energy (solar, wind)

5. Dispose waste properly

 

10 MULTIPLE CHOICE QUESTIONS AND ANSWERS ON CHANGES IN CLIMATE

INSTRUCTION – Choose the correct answer from the options A – D. 

1. Change in climate means ______.

A. short rain period

B. long-term change in weather conditions

C. cloudy weather

D. daily weather condition

 

2. Which of the following is a cause of climate change?

A. Cutting down trees

B. Planting trees

C. Watering crops

D. Cleaning the environment

 

3. Burning of fossil fuels causes climate change because it ______. 

A. cools the air

B. releases harmful gases

C. increases rainfall only

D. makes the soil fertile

 

4. One effect of climate change is ______. 

A. regular rainfall

B. cool weather always

C. healthy crops

D. flooding

 

5. Climate change can lead to ______. 

A. drought

B. good harvest always

C. clean air

D. peaceful weather

 

6. Which of these human activities increases climate change?

A. Tree planting

B. Recycling

C. Bush burning

D. Cleaning drains

 

7. Climate change affects farmers by causing ______

A. better soil

B. irregular rainfall

C. more fertilizer

D. healthy crops

 

8. Which gas is mainly responsible for global warming?

A. Carbon dioxide

B. Oxygen

C. Nitrogen

D. Hydrogen

 

9. One way to reduce climate change is to ______. 

A. cut more trees

B. burn more fuel

C. plant more trees

D. increase smoke

 

10. Climate change affects human health by ______. 

A. spreading diseases

B. making people taller

C. improving eyesight

D. increasing strength

 

FILL IN THE GAP QUESTIONS

11. Change in climate means a ______ change in the usual weather conditions of a place.

12. Cutting down of trees is called ______.

13. Burning fossil fuels releases harmful ______ into the air.

14. One major effect of climate change is ______, which can destroy houses and farms.

15. Planting more trees helps to ______ climate change.

 

SHORT ANSWER QUESTIONS

16. What is change in climate?

17. Mention one cause of climate change.

18. State two effects of climate change.

19. How does climate change affect farming?

20. Give one way to reduce climate change.

 

ANSWER KEYS

1. D 2. B 3. B 4. D 5. A 6. C 7. B 8. A 9. C 10. A 11. long-term 12. deforestation 13. gases 14. flooding 15. reduce

16. Change in climate is the long-term change in the weather conditions of a place.

17. Burning of fossil fuels.

18. Flooding and drought.

19. It causes irregular rainfall and poor crop production.

20. Planting trees.