Physical and human environment st blog
- 3. What are some differences you can see? Physical environment Human environment (people adapt to it) (people modify it)
- 4. DEFINITION OF PHYSICAL ENVIRONMENT Natural surroundings which people, animals and plants live in Comprise of Water natural vegetation, landforms and rocks, weather and climate Examples = Deserts, coastal areas, mountainous regions Text pg 13
- 5. DEFINITION OF HUMAN ENVIRONMENT A changed physical environment by people, through activities:- Farming Mining Factories Roads and railways Examples = Urban city (Singapore) Text pg 14
- 6. LETS THINK FURTHER… How did the physical environment changed into the human environment? Doyou support the changes?
- 7. Inter-relationship between people and environment (2a People IM ) PO I VE PA S SIT CT ITIV PO S a) CT S E (1 A IMP (1b IMP ) NEG ATIVE AC AT EG ) N TS TS IVE (2b AC IMP Environment
- 8. Inter-relationship between people and environment 1a. How does human activities have positive impact on the environment? “Cloud seeding” = use rockets/planes to disperse substance > brings rainfall into areas that are semi arid/ facing drought Positive impacts = survival of vegetation, prevent drought Sustainable development = meets the needs of the present without compromising the ability of future generations to meet their own needs
- 9. (1b)How does human activities have negative impact on the environment? Humans may over cultivate the soil, which leads to soil erosion Soil erosion = detachment of soil particles, causes soil to loosen Deforestation = removal of top layer of soil (which contains the most nutrients and minerals). Hence during heavy rainfall, top soil will be washed off
- 10. 2a.How does the physical environment affect people positively It provides natural resources that benefits people eg Sunlight, minerals Note: Resources can be renewable (Able to replenish itself eg air, wind) or non-renewable (Unable to replenish itself/takes a long time to replenish eg coal, petroleum)
- 11. 2b. How does the physical environment affect people negatively? Natural disasters that destroys human settlements eg Flood, tsunami Unfavourable weather conditions will affect people’s activities eg rainy day
- 12. 3.Which has a greater influence? Justify your answers. (a) Environment has greater influence on people as extreme weather changes or natural disasters are beyond human control eg Tsunami, flooding (b) People has greater influence on environment as changes made to the environment causes irreversible damages. Humans also depletes natural resources that are limited in their supply.
- 13. OBJECTIVE 1. Learn about the different living environment between a !Kung bushmen and a Singaporean 2. Understand how a !Kung bushmen ADAPT to his environment and how a Singaporean CHANGED his environment
- 14. HOW (SAN)BUSHMEN ADAPT TO THE PHYSICAL ENVIRONMENT Click here to watch the video! Take note of the following in the video: Bushman’s clothes, language and tools
- 15. “Contrast”, “State the differences” Use the following words when comparing the differences: But, However, Although, even though, despite in spite of, Nevertheless, Nonetheless, While, Whereas, Unlike
- 16. CONTRASTING MR !KUNG AND MR SING !Kung Bushmen Singaporeans Climatic High temperature in Constant high conditions the day and low temperature temperature in the throughout the night year Very low rainfall High rainfall throughout the year throughout the Unpredictable rainfall year
- 17. !Kung Bushmen Singaporeans Water Water holes Taps sources Fruits and berries Reservoirs/Rain Imported water Bottled/canned drinks Food Hunting animals Buying cooked food sources Gathering roots, or raw food from the berries, fruits and nuts super-markets, wet from the wild markets and food stalls
- 18. !Kung Bushmen Singaporeans Material for Animal skins Cloth and wool clothing Leaves and Animal skins grasses (leather) Artificial material eg Plastics and polyester
- 19. !Kung Singaporeans Bushmen Types of shelter Temporary Permanent shelters shelters Huts made of Houses made leaves, from concrete branches and and steel shrubs
- 20. !Kung Bushmen Singaporeans Types of Handmade tools High-technology tools / technology Ostrich egg shells to tools store water Tools are made Spears made from in factories wood and animal Machines, bones computers Bows and arrows made from animal muscles, stems and grass
- 21. !Kung Singaporeans Bushmen Modes of transport Walk most of Motorcars/MRT the time System of road No modern networks transport Airport enables No network of international travel roads
- 22. SUMMARY !Kung Bushmen Singaporean Live in a largely Live in a largely physical human environment environment (Kalahari desert in South Africa) Modified much of Adapted to their the environment to environment and meet their needs made few changes Transformed an to it island (from forest The environment is to city) able to meet their needs