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Social sciences: geography

Grade 7

Map work

Module 12

Understanding the symbols on a topographical map

Activity1:

To understand the symbols on a topographical map

[lo 1.4]

  • Study this part of the Ceres 1:50 000 map.

Verklaring Reference

Internasionale Grense
Provinsiale Grense
Veelvoudige Spoorlyn
Enkel Spoorlyn
Geëlektrifiseerde Spoorlyn
Smalspoorlyne
Diensspoorlyn
Hoofverkeerspaaie
Grootpaaie
Sekondêre Paaie
Ander Paaie
Dowwe Paaie en Voetpaaie
Kraglyne
Telefoonlyne
Poskantore, Polisiestasies en -poste
Winkels, Hotelle, Skole en
plekke van Aanbidding
Vuurtorings en Seevaartligte
Seevaartbakens
Trig. Bakens (Nommer regs en hoogte onder)
International Boundaries
Provincial Boundaries
Multiple Track Railways
Single Track Railways
Electrified Railways
Narrow Gauge Railways
Service Railways
Arterial Railways
Main Roads
Secondary Roads
Other Roads
Tracks and Footpaths
Power Lines
Telephone Lines
Post Offices, Police Stations and Posts
Stores, Hotels, Schools and
places of worship
Lighthouses and Marine Lights
Marine Beacons
Trig. Beacons (Number to right and height below)

Verklaring Reference

Magnetiese Stasies en Grondtekens
Hutte
Monumente
Dipbakke
Windpompe
Mure
Grondbewaringswalle
Uitgrawings
Standhoudende water
Nie-standhoudende water
Droë Panne
Fonteine, Watergate en Putte
Moerasse en Vleie
Pyplyne
Fotomiddelpunte
Prominente Klipbanke
Terrasse
Bewerkte Lande
Boorde en Wingerde
Bome en Bos
Magnetic Stations and Ground Signs
Huts
Monuments
Dipping Tanks
Windmills
Walls
Anti-erosion Walls
Excavations
Perennial Water
Non-perennial Water
Dry Pans
Springs, Waterholes and Wells
Marshes, Swamps and Vleis
Pipelines
Photo Centres
Prominent Rock Outcrops
Terraces
Cultivated Lands
Orchards and Vineyards
Trees and Bush

1. Now answer the following questions:

a) How many stations and sidelines are indicated?

b) Is this town serviced from a single or double track?

c) Name the river running through the town.

d) Name the river flowing into the Ceres dam.

e) How many separate living areas are indicated?

f) How high is the highest peak in the Witsenberg?

g) Determine the distance between the police station and the sideline (small station) Skoonvlei.

h) Explain why the contours in the region of the Aartappel River (north of the town) are far from each other, while northwest of Ceres they are very close to each other.

These topographic maps cannot be found in atlases. However, it can be ordered from The State Printer in Pretoria where they are prepared by cartographers from vertical aerial photos and orthophoto maps.

Assessment

Learning Outcomes(LOs)
LO 1
GEOGRAPHICAL ENQUIRYThe learner will be able to use enquiry skills to investigate geographical and environmental concepts and processes.
Assessment standards(ASe)
We know this when the learner:
1.1 identifies a variety of geographical and environmental sources relevant to an inquiry [finds sources];
1.2 organises and interprets information relevant to the enquiry from simple graphs, maps, and statistical sources [works with sources];
1.3 measures distances on globes atlases and maps using line scales [works with sources];
1.4 uses local maps and/or orthophoto maps to locate and investigate the issue and its context (compares with field observations) [works with sources];

Memorandum

Activity 1:

1. 4

2. single track railway

3. Dwars River

4. Koekedou River

5. Main town, second direct east of main town, third north east of main town Nduli.

6. Slab Peak 1 392 m

7. 6,2 cm × 50 000 = 310 000 cm ÷ 10 000 = 3,1 km

8. Aartappel River region is situated in the wide, even river valley, where contours are far from one other to represent a flat slope. The south western region is a higher, mountainous area with steep, mountainous slopes. The contours are therefore very close to one other.

Questions & Answers

differentiate between demand and supply giving examples
Lambiv Reply
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Lambiv
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Lambiv
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Venny Reply
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WARKISA
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Lambiv
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appreciation
Eliyee
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Lindiwe Reply
In economics, a perfect market refers to a theoretical construct where all participants have perfect information, goods are homogenous, there are no barriers to entry or exit, and prices are determined solely by supply and demand. It's an idealized model used for analysis,
Ezea
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Shukri Reply
other things being equal
AI-Robot
When MP₁ becomes negative, TP start to decline. Extuples Suppose that the short-run production function of certain cut-flower firm is given by: Q=4KL-0.6K2 - 0.112 • Where is quantity of cut flower produced, I is labour input and K is fixed capital input (K-5). Determine the average product of lab
Kelo
Extuples Suppose that the short-run production function of certain cut-flower firm is given by: Q=4KL-0.6K2 - 0.112 • Where is quantity of cut flower produced, I is labour input and K is fixed capital input (K-5). Determine the average product of labour (APL) and marginal product of labour (MPL)
Kelo
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Shukri
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Shukri
what is monopoly mean?
Habtamu Reply
What is different between quantity demand and demand?
Shukri Reply
Quantity demanded refers to the specific amount of a good or service that consumers are willing and able to purchase at a give price and within a specific time period. Demand, on the other hand, is a broader concept that encompasses the entire relationship between price and quantity demanded
Ezea
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Shukri
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Fiker Reply
Economic growth as an increase in the production and consumption of goods and services within an economy.but Economic development as a broader concept that encompasses not only economic growth but also social & human well being.
Shukri
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Jabir
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Abdisa Reply
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Awais Reply
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Asui
it is a curve that we get after connecting the pareto optimal combinations of two consumers after their mutually beneficial trade offs
Awais
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Asui
In economics, the contract curve refers to the set of points in an Edgeworth box diagram where both parties involved in a trade cannot be made better off without making one of them worse off. It represents the Pareto efficient allocations of goods between two individuals or entities, where neither p
Cornelius
In economics, the contract curve refers to the set of points in an Edgeworth box diagram where both parties involved in a trade cannot be made better off without making one of them worse off. It represents the Pareto efficient allocations of goods between two individuals or entities,
Cornelius
Suppose a consumer consuming two commodities X and Y has The following utility function u=X0.4 Y0.6. If the price of the X and Y are 2 and 3 respectively and income Constraint is birr 50. A,Calculate quantities of x and y which maximize utility. B,Calculate value of Lagrange multiplier. C,Calculate quantities of X and Y consumed with a given price. D,alculate optimum level of output .
Feyisa Reply
Answer
Feyisa
c
Jabir
the market for lemon has 10 potential consumers, each having an individual demand curve p=101-10Qi, where p is price in dollar's per cup and Qi is the number of cups demanded per week by the i th consumer.Find the market demand curve using algebra. Draw an individual demand curve and the market dema
Gsbwnw Reply
suppose the production function is given by ( L, K)=L¼K¾.assuming capital is fixed find APL and MPL. consider the following short run production function:Q=6L²-0.4L³ a) find the value of L that maximizes output b)find the value of L that maximizes marginal product
Abdureman
types of unemployment
Yomi Reply
What is the difference between perfect competition and monopolistic competition?
Mohammed
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Source:  OpenStax, Geography grade 7. OpenStax CNX. Sep 09, 2009 Download for free at http://cnx.org/content/col11021/1.1
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