2014JSSSec 1 g_-_unit_3.1_-3.2

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Chapter 3 Tropical Rainforest

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2014JSSSec 1 g_-_unit_3.1_-3.2

  1. 1. UNIT 3:TROPICAL RAINFOREST • Did you know? We are losing Earth's greatest biological treasures just as we are beginning to appreciate their true value. Rainforests once covered 14% of the earth's land surface; now they cover a mere 6% and experts estimate that the last remaining rainforests could be consumed in less than 40 years.
  2. 2. WHAT ARE WE INVESTIGATING? • Tropical Rainforest • What are________________? • Where are they_________? • Deforestation • ____________________ it? • Which _________________ Deforestation • ______________________ • __________ does it occur? people • environment?
  3. 3. YOU WILL LEARN TO • use photographs and sketches to describe the characteristics of Tropical rainforest • describe how Tropical rainforest adapt to the tropical climate • describe the uses and importance of Tropical rainforest respect different people’s perspectives about rainforest
  4. 4. TROPICAL RAINFOREST Characterises Description -- ____________________ _________________evergreen forest Evergreen trees – _________________________ Suitable Climate-- ________________ all their leaves _________________________ _____________________temperature throughout the year
  5. 5. CHARACTERISTICS OF TROPICAL RAINFOREST The forest and its characteristics __________ of plant species __________ of the forest __________ of plants
  6. 6. STRUCTURE OF RAINFOREST 80 Formed by the crown of the trees Emergent 50 30 Lianas and epiphytes grow in this layer Canopy 20 Undergrowth Layer Forest floor 0 Plants here are widely spaced Sparse vegetation with leaf litter
  7. 7. ________________________ are * Trees ________________ * It's ________________ down here. Little sunshine reaches this area the ____________________ _________________metres * towering _____________ to reach sunlight. *larger leaves to reach the sunlight. *__________ ____________ *plants ________________ cover locking 90% of _____________________ the canopy rising as much as _______________ __________ the forest floor. * Eg Tualang and sunlight . * hardly any sun reaches the ___________________ Kapok trees. * Eg includes ferns _______________________ Emergent layer Canopy Layer ____________________________ Undergrowth Layer ___________________________
  8. 8. HOMEWORK • Read Pages 75 to 76 from textbook • Do exercise 3.1 and 3.2 (pages 37-40) from your workbook. • (you may refer to slide 6 of your notes and pg. 79 of your textbook to help you draw the sketch of the rainforest)
  9. 9. DISCOVER THE DIFFERENT SPECIES FOUND IN THE TROPICAL RAINFOREST The world's largest honey bees home: _________________ Forms lush carpet of greenery: __________________ The giant of the Amazon Rainforest : _____________________ Makes good household plants : _____________ Used as medicinal or craft purposes: ___________________ Found on Singapore rain trees: ________________ Grows well with nutrients from decomposed : ____________________
  10. 10. ________________ catchment ____________ ______ _____ of the earth ____________ to flora and fauna Uses of Tropical Rainforest Habitat to indigenous people Source of __________ _____________ application
  11. 11. • An __________ drained by __________ _______________that flow into it. • ________________ that drips from trees ____________________ __________ and is __________ ____________to Tropical Rainforest are _____________ ___________________areas. • __________ ________________by the soil before it flows onto the reservoirs . • The __________ __________________lies within the ____________________ ___________________________ in Singapore.
  12. 12. CENTRAL CATCHMENT NATURE RESERVE
  13. 13. GREEN LUNG OF THE EARTH • _________________________ from the atmosphere and __________ __________ through photosynthesis. • Forest _________________________ ” so its called “_________________of the earth.” • _________________________ is generated by the _________________ rainforest. • Forest acts as the _________________________ and the _________________________
  14. 14. • Rainforest _________________________ of the world’s plants, animals, insects and a variety of fungi. • _________________________ ________________which in becomes food to animals. • The ____________________________ other plants and animals to __________________. • _________________________ __________________or as _________________________ and _________________________ the rainforest for basic necessities too.
  15. 15. • Forest provide _________________________ for cooking. • Tropical rainforest _________________________ ________________________Teak, _________________________ and meranti are valued for their strength, durability, texture and beauty. • Products made i _________________________ doors, _________________________ and furniture
  16. 16. • Tropical Rainforest is the _________________________________________ • ___________________ have cancer-fighting prosperities • Cinchona tree – treats _________________________. Madagascar periwinkle plant– treats _________________________ leukaemia • _________________________ treats eczema & itchiness
  17. 17. WHICH PHOTOGRAPH SHOWS A TROPICAL RAINFOREST ? Figure B Figure A What factors did you consider to make your decision?
  18. 18. GEOGRAPHICAL INVESTIGATION SKILLS A SCHOOL-BASED ACTIVITY- SKETCHING • Observe how the trees in the school field adapt to our climate. • Take a photo of the tree that shows a characteristics of the adaptation. • Using the skills studied in Unit 2 and with reference to Pg. 79 of the textbook, sketch the feature you see. • Paste your sketch and the photo on a A4 paper and submit to your teacher

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