PROVINCIAL ASSESSMENT GRADE 10 - North West

[Pages:17]PROVINCIAL ASSESSMENT

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GRADE 10

GEOGRAPHY P1 NOVEMBER 2019

This question paper consists of 17 pages and a 13-page annexure.

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INSTRUCTIONS AND INFORMATION

Read the following instructions carefully before answering the questions.

1.

This paper consists of FOUR questions.

2.

Answer ANY THREE questions of 75 marks each.

3.

All diagrams are included in the attached ANNEXURE.

4.

Leave a line between the subsections of the questions answered.

5.

Start EACH question at the top of a NEW page.

6.

Number the answers correctly according to the numbering system used in this

question paper.

7.

Number the answers in the centre of the line.

8.

Do NOT write in the margins of this ANSWER BOOK.

9.

Draw fully labelled diagrams when instructed to do so.

10.

Answer in FULL SENTENCES, except where you have to state, name identify

or list.

11.

Units of measurement MUST be indicated in your final answers, e.g.

1020 hPa, 14 C? or 45 m.

12.

Write neatly and legibly.

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SECTION A: ATMOSPHERE AND GEOMORPHOLOGY

Answer at least ONE question from this section. If you answer ONE question in SECTION A, you must answer TWO questions in SECTION B.

QUESTION 1

1.1

Various options are provided as possible answers to the following questions.

Choose the correct answer and write only the letter (A?D) next to the question

number (1.1.1?1.1.8) in the ANSWER BOOK, e.g. 1.1.9 D.

1.1.1

The boundary that is formed when two crustal plates move towards each other is known as the ... boundary.

A divergent B constructive C convergent D normal

1.1.2 ... refers to the heat of the sun.

A Respiration B Reflection C Radiation D Insolation

1.1.3

This part of the atmosphere shields the earth from the harsh UV rays.

A Ionosphere B Troposphere C Ozonosphere D Atmosphere

1.1.4

A ... has a cone that is formed by alternative layers of volcanic ash and lava.

A shield volcano B cinder cone C composite volcano D caldeira

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1.1.5 The diagram below shows...

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1.1.6 1.1.7 1.1.8

A ozone. B oxygen. C water. D helium.

A constant gas in the atmosphere.

A Helium B Carbon dioxide C Methane D Nitrogen

A ... is a very large igneous intrusion.

A batholith B lopolith C laccolith D dyke

Loss of solar radiation as incoming sunlight bounces off clouds.

A Photosynthesis B Absorption C Reflection D Insolation

(8 x 1) (8)

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1.2

Give the correct TERM for each of the following descriptions. Write only the

term next to the question number (1.2.1 to1.2.7) in the ANSWER BOOK.

1.2.1

When heat is transferred from one molecule to another through contact.

1.2.2 The temperature at which condensation takes place.

1.2.3 Side of the mountain range where a rain shadow forms.

1.2.4 The molten material that is still below the earth's surface.

1.2.5

The outermost layer of the atmosphere, furthest away from the surface of the earth.

1.2.6 Rock built up in layers.

1.2.7 A downward fold in rock layers.

(7 x 1) (7)

1.3

Refer to FIGURE 1.3(a) showing the condensation level of the clouds.

1.3.1 State the condensation level of Cloud 1 in kilometers.

(1 x 1) (1)

1.3.2

Comment on the relation between humidity and condensation level.

(1 x 1) (1)

1.3.3 Determine the temperature range below Cloud 2.

(1 x 1) (1)

1.3.4

Name the high clouds that are wispy in appearance and that

can precede bad weather.

(1 x 1) (1)

1.3.5 Name the type of rain that will develop at Cloud 1.

(1 x 2) (2)

1.3.6

Briefly discuss the climate conditions and the area where the type of rain mentioned in QUESTION 1.3.5 will occur in South Africa.

(2 x 2) (4)

1.3.7 Label the cloud types A?E in FIGURE 1.3(b)

(5 x 1) (5)

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1.4 Study FIGURE 1.4 based on earthquakes.

1.4.1 Explain what the term epicenter means.

(1 x 1) (1)

1.4.2

Give the magnitude of the earthquake that struck east-

northeast of San Juan Raboso.

(1 x 1) (1)

1.4.3

Name the instrument that is used to compare the strength of

different earthquakes.

(1 x 1) (1)

1.4.4

Name TWO strategies which the people of Mexico City could have used to reduce the impact of the earthquake.

(2 x 2) (4)

1.4.5

In a paragraph of approximately EIGHT lines, explain the

effects of and earthquake on the people of Mexico.

(4 x 2) (8)

1.5

Study FIGURE 1.5 based on the heating of the atmosphere.

1.5.1 Define the term insolation.

(1 x 1) (1)

1.5.2 Give the term that is used to describe the process at A.

(1 x 1) (1)

1.5.3 Provide the natural direction of movement of warm air.

(1 x 2) (2)

1.5.4

Some of the heat energy given off by the sun is lost before it

reaches the earth's surface. Identify THREE processes

associated with heat loss.

(3 x 1) (3)

1.5.5

Name TWO greenhouse gasses that cause ozone

depletion.

(2 x 2) (4)

1.5.6 State TWO ways in which the loss of ozone affects humans. (2 x 2) (4)

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1.6

Study FIGURE 1.6 based on the synoptic weather map.

1.6.1 Name the pressure cell at A.

(1 x 1) (1)

1.6.2 Give the isobaric pressure reading of the cell at A.

(1 x 1) (1)

1.6.3 Indicate the type of front labelled C.

(1 x 1) (1)

1.6.4

Make use of the data on this synoptic map and determine the season depicted.

(1 x 2) (2)

1.6.5

Describe the weather conditions at Port Elizabeth by making reference to:

(a) Air temperature (b) Wind direction (c) Cloud cover (d) Wind speed (e) Precipitation

(5 x 2) (10) [75]

QUESTION 2

2.1

Choose the correct term from those given in brackets to make the statements

below TRUE. Write down ONLY the correct term in your ANSWER BOOK.

2.1.1

The (thermosphere/troposphere) is the most important layer of the atmosphere from a climatic point of view.

2.1.2

The (stratosphere/thermosphere) is found between the troposphere and mesosphere.

2.1.3

A low temperature of -90? is reached in the (mesosphere/stratosphere).

2.1.4

Carbon dioxide and (water vapour/hydrogen) in the atmosphere are responsible for the absorption of energy.

2.1.5

The ozone layer absorbs the (X-rays/ultraviolet rays) of the sun.

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2.1.6 2.1.7

2.1.8

Ozone depletion occurs in the (thermosphere/stratosphere).

(Temperature inversion/positive lapse rate) means that temperature increases with height above the surface of the earth.

Reflection at the snow-capped Polar regions. (Albedo/Aleno)

(8 x 1) (8)

2.2

Refer to FIGURE 2.2 based on a cross section of the earth.

2.2.1

Name layer B, which is 2 900 km thick and consists of molten rock.

2.2.2 The core, labelled E, is solid and consists of nickel and ...

2.2.3 Name ONE reason why layer C is important for humans.

2.2.4 Name the boundary between layers C and D.

2.2.5 Layer C is broken into smaller segments known as ...

2.2.6 State the estimated temperature of layer B.

2.2.7 Name the layer that is composed of peridotite.

(7 x 1) (7)

2.3

Read the article on global warming in FIGURE 2.3.

2.3.1 Define the term global warming.

(1 x 1) (1)

2.3.2

Name the main contributor to greenhouse gasses, according to the report by the Food and Agricultural Organisation.

(1 x 2) (2)

2.3.3

Quote from the article to explain why methane gas is a

bigger threat to the environment than carbon dioxide.

(1 x 2) (2)

2.3.4

Name ONE negative impact from the article that the

growing herds of cattle have on the environment.

(1 x 2) (2)

2.3.5

In a paragraph of approximately EIGHT lines, give sustainable ways in which global warming can be slowed down.

(4 x 2) (8)

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