class vii geography chapter 1

1. ENVIRONMENT
KABITHA MADHU
PRINCIPAL
THE MERIDIAN INTERNATIONAL SCHOOL
TIRUCHENGODE

2. ENVIRONMENT
•What is Environment?
•Environment may refer either to actual
physical surroundings or to social or cultural
background.
•The place, people, things and nature that
surround any living organism is called
environment.

3. Components of the Environment
Natural Environment
Plants & Animals
Human Environment
Man & his Society
Human made Environment
Man Modifies the natural
Environment & creates new
Environment

4. Marine Environment

5. Forest Environment

6. Wildlife Environment

7. Savanna land

8. Arctic Environment

9. Antarctic Environment

10. Coastal Environment

11. Desert Environment

12. Tribal Environment

13. Family Harvesting Crop

14. Harvesting Tapioca

15. Grazing land

16. Mechanized Farm

17. Terrace Farm

18. Hanging Garden

19. Urbanisation – A City

20. New York City

21. A community at work

22. Amsterdam

23. Floating Market - Bangkok

24. School Environment

25. Boys Day Out Camping

26. Manufacturing Industry

27. Factory

28. Mao Mountain temple - China
Statue of Lao-tzu

29. Jagannath Temple - Orissa

30. A statue of Lao-tzu
Mao Mountain temple
Jagannath temple
St Peters Basilica
St Peters Basilica - Vatican

31. Golden Temple - Amritsar

32. Sultan Qaboos Grand Mosque - Muscat

33. Taj Mahal - Agra

34. Natural environment/Physical
environment
• The Natural environment/Physical environment encompasses
all living and non-living things occurring naturally.
• The natural environment refers to both biotic and abiotic conditions
existing on the earth
Difference between biotic and abiotic components
Biotic Components Abiotic Components
The world of living organisms The world of nonliving elements
e.g. plants and animals e.g. land, buildings

35. Component of the
Environment
Biotic
component
Abiotic
Component
Fish ✔
Corals ✔
Water ✔
Coconut palm ✔
Sky ✔
Hut ✔
Palm leaf beach shade ✔
Sand bars ✔
Sea water ✔
Back water ✔
Fence ✔
Mountain ✔
Trees ✔
Canals ✔
Painting ✔
Books ✔
Benches ✔
Component of the
Environment
Biotic component Abiotic Component
Flowerpot ✔
Plants ✔
Plastic dust bins ✔
Chart ✔
Curtain ✔
Bricks ✔
Roofing sheets ✔
Wall ✔
Buildings ✔
Man ✔
Creepers ✔
Windows ✔
Doors ✔
Glass pane ✔
Cement pillar ✔
Children ✔
Sweater ✔

36. Component of the
Environment
Biotic component Abiotic
Component
Car ✔
Bag ✔
Log ✔
Soil ✔
Forest ✔
Factory ✔
Flower ✔
Smoke ✔
hill ✔
Lights ✔
Road ✔
Grass ✔
Sewage ✔
Garbage ✔
Sea dumps ✔
Plastic waste ✔
Tire ✔
Component of the
Environment
Biotic component Abiotic Component
Disposable bags ✔
Disposable bottle ✔
Field ✔
Crops ✔
Tractor ✔
Farmer ✔
Ornamental plants ✔
Bridges ✔
River ✔
Sky scrapper ✔
Boat ✔
Ship ✔
Penguins ✔
Snow ✔
Lion ✔
Zebra ✔
Elephant ✔

37. Component of the
Environment
Biotic component Abiotic
Component
Deer ✔
Rhinoceros ✔
Tapioca ✔
Plastic sack ✔
Jungle ✔
River ✔
State of Liberty ✔
People ✔
Boys ✔
Tribes ✔
Chicken ✔
Polar bears ✔
Cow ✔
Grazing land ✔
Ice bergs ✔
Clouds ✔
Soil ✔
Component of the
Environment
Biotic
component
Abiotic
Component
Tree trunk ✔
Smoke ✔
Factory chimney ✔
Crane ✔
High voltage cable ✔
High voltage tower ✔
Church ✔
Temple ✔
A statue of Lao-tzu ✔
Mao Mountain temple ✔
Jagannath temple ✔
St Peters Basilica ✔
Golden temple ✔
Gold ✔
Marble ✔
Sultan Qaboos Mosque ✔
Taj Mahal ✔

38. Lithosphere : the earth’s solid,
sandy and rocky land surface
Atmosphere: the layer of the air
that surrounds the earth.
Hydrosphere: the bodies of water
on the earth, consisting of rivers,
lakes, seas, and ice caps.
Biosphere: the living
environment that includes all living
things.

39. PHYSICAL ENVIRONMENT / NATURAL
ENVIRONMENT
• The natural environment consists of
physical features that occur naturally
on earth such as mountains, rivers and
forests.
• Physical environment can be divided
as follows:
Lithosphere - Land
Atmosphere - Air
Hydrosphere - Water
Biosphere - Life

40. Human
Environment

41. Human Environment

42. Human Made Environment
• We say that a human
made environment is
formed when a physical
environment is changed as
a result of human
activities.
• Some examples of human
made environments are
villages, cities, bridges,
roads, rail network, parks
monuments, industries…

44. ECOSYSTEM
• A defined area in which a community lives, with interactions taking
place among the organisms, between the community and its non-
living physical environment.
• An ecosystem is formed by the interactions between all living and
non-living things

45. Dump Yards

46. Ocean Dumping

47. Deforestation

48. Forest Fire

49. • A perfect balance is necessary between the Natural and
Human Environment.
• Humans must learn to live and use their environment in a
harmonious way.

50. HUMAN ACTIVITY SHAPES THE ENVIRONMENT