sec 1 geog unit 3 lesson 3

18
Chong Boon Secondary School Secondary 1 Geography Section 3 Deforestation

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Geog Unit 3 Part 3

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  • 1.Section 3 Deforestation

2. KeyLearning Questions What is deforestation? Topographical Maps 3. Cuttingdown and removal of trees in a forested area. Leads to permanent loss of forest if not managed properly. Trees are a renewable resource however it has to be managed with proper and sufficient replanting. 4. Rainforestsrequire equatorialclimate. Area near the Equator (between 20N and 20S). Central America, Southeast Asia, Central Africa. 5. OriginallySingapore was covered by rainforest. Currently covering the main central catchment area. Serves as water catchment for reservoirs. 6. Turnto Pg90 of your textbook. Lets look at the example. 7. Providesan area on the map. Eastings first Numbers on the bottom / top of themap Northingsnext Numbers on the sides of the map 8. Doyou see the quarry? Can you find the point of highest elevation 163m? What is the name of the area covered by this grid square? 9. Providesa specific place on themap. Divide the grid square into 10 equal parts. These parts give you the 3rd digit and 6th digit. 10. North East South West NaughtyElephants Spray Water 11. Distancebetween 2 items/locations Ignores any possible natural relief / manmade structures in the way. Mid point of source object/location to mid point of destination object/location. 12. Usingthe map on page 90 of your textbook, complete the worksheet. Submit to your geography rep tomorrow