Weather
15 Grade 7 Social Studies questions on Weather, with worked marking schemes. 15 questions are available on this topic in full.
Question 1
1 markWhich instrument is used to measure the amount of rainfall received in an area?
A. Thermometer
B. Wind vane
C. Rain gauge
D. Barometer
(1 mark)
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1 markAn anemometer at a weather station is used to measure the:
A. Air pressure
B. Amount of sunshine
C. Speed of wind
D. Direction of wind
(1 mark)
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1 markThe instrument used to measure the amount of rainfall received in an area is the:
A. Rain gauge
B. Thermometer
C. Wind vane
D. Barometer
(1 mark)
Marking scheme for this question
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1 markA pupil records the highest and lowest temperatures of the day at the school weather station. Which instrument does the pupil MOST likely use?
A. Six's maximum and minimum thermometer
B. Hygrometer
C. Anemometer
D. Rain gauge
(1 mark)
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1 markThe instrument used to show the direction from which the wind is blowing is the:
A. Wind vane
B. Rain gauge
C. Hygrometer
D. Thermometer
(1 mark)
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4 marks(a) Name the instrument used to measure atmospheric pressure. (1 mark) (b) Explain three reasons why it is important for farmers to know the weather forecast. (3 marks)
(4 marks)
Marking scheme
(a) Barometer (1 mark). (b) 1 mark each (max 3): to know the right time to plant/plough; to decide when to harvest and dry produce; to protect crops/animals from harsh conditions (floods, drought, storms); to plan irrigation; to apply fertiliser/pesticides at the right time. Accept valid reasons.
Question 7
1 markWhich instrument is used to measure the amount of rainfall received in a place?
A. Barometer
B. Thermometer
C. Rain gauge
D. Wind vane
(1 mark)
Marking scheme for this question
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3 marksA learner sets up a rain gauge in the school compound. State three precautions that should be observed when siting and reading the rain gauge for accurate results.
(3 marks)
Marking scheme
1 mark each (max 3): place it in an open area away from buildings/trees; fix the funnel rim about 30 cm above the ground; ensure it is firmly fixed/level; read the measuring cylinder at eye level at the same time each day (e.g. 9 a.m.); empty it after each reading. Accept any three valid precautions.
Question 9
4 marksState four elements of weather that are measured at a weather station.
(4 marks)
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4 marksWeather is the condition of the atmosphere of a place over a short period of time. a) Name the instrument used to measure each of the following elements of weather: i) Temperature (1 mark) ii) Amount of rainfall (1 mark) iii) Wind direction (1 mark) b) Give one reason why a weather station should be sited in an open place away from buildings and trees. (1 mark)
(4 marks)
Marking scheme
a) Instruments used: i) Temperature - a thermometer (six's thermometer / maximum and minimum thermometer). ii) Amount of rainfall - a rain gauge. iii) Wind direction - a wind vane (weather vane). b) The weather station should be in an open place away from buildings and trees so that the instruments take accurate readings, because buildings and trees would block or interfere with wind, rain and sunshine, giving false (unreliable) records.
Question 11
1 markA weather station should be located in an open place, away from buildings and tall trees. The main reason for this is to:
A. Ensure readings are not interfered with and remain accurate
B. Make the instruments easy to steal
C. Keep the instruments hidden from learners
D. Reduce the cost of buying instruments
(1 mark)
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1 markWhich one of the following BEST defines weather?
A. The movement of ocean currents
B. The condition of the atmosphere of a place at a particular time
C. The average atmospheric conditions over thirty years
D. The study of soils in a region
(1 mark)
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1 markWhich instrument at a weather station is used to show the direction from which the wind is blowing?
A. Hygrometer
B. Wind vane
C. Rain gauge
D. Sunshine recorder
(1 mark)
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1 markA study of the AVERAGE weather conditions of a place taken over a long period of about thirty years is called:
A. Humidity
B. Climate
C. Temperature
D. Weather forecast
(1 mark)
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4 marksWeather elements are measured at a weather station using different instruments.
(a) Name the instrument used to measure each of the following:
(i) amount of rainfall; (ii) air temperature; (iii) wind direction. (3 marks)
(b) State one importance of recording weather information to farmers. (1 mark)
(4 marks)
Marking scheme
(a) Instruments used: (i) Amount of rainfall - Rain gauge (ii) Air temperature - Thermometer (six's thermometer / maximum-minimum thermometer) (iii) Wind direction - Wind vane (wind sock also acceptable) (b) One importance of weather information to farmers: it helps farmers know the right time to plant their crops (e.g. to plant when rains are expected). (Accept: helps them prepare for harvesting; decide when to spray/irrigate; protect crops and animals from extreme weather.)
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