Chapter 2
1. What is weather?
A) The long term pattern of temperature and precipitation
B) The short-term atmospheric conditions of a place at a given time
C) The process of cloud formation
D) A type of natural disaster
Answer: B) The short-term atmospheric conditions of a place at a given time
2. Which of the following is NOT usually considered an element of weather?
A) Temperature
B) Humidity
C) Soil fertility
D) Rainfall
Answer: C) Soil fertility
3. Which layer of the atmosphere is closest to the Earth's surface and influences weather
the most?
A) Stratosphere
B) Troposphere
C) Mesosphere
D) Thermosphere
Answer: B) Troposphere
4. What do meteorologists use to study weather?
A) Telescopes
B) Satellites, radars, and weather instruments
C) Microscopes
D) Seismographs
Answer: B) Satellites, radars, and weather instruments
5. Which of the following statements is true about weather?
A) Weather does not change from day to day.
B) Weather is the same at all places on Earth.
C) Weather can change frequently and vary from place to place.
D) Weather only affects people in coastal areas.
Answer: C) Weather can change frequently and vary from place to place.
Fill in the blanks
Fill in the Blanks
1. The _______ is the movement of air from high pressure to low pressure areas.
Answer: wind
2. Wind can cause great damage during _______ and _______.
Answer: storms, cyclones
3. The instrument used to measure wind speed is called an _______.
Answer: anemometer
4. A gentle wind is called a _______.
Answer: breeze
5. The direction of the wind can be observed using a _______.
Answer: wind vane
1. What causes wind?
Answer:
Wind is caused by air moving from areas of high pressure to areas of low pressure due
to the uneven heating of the Earth's surface.
2. Name two damages strong winds can cause.
Answer:
Strong winds can uproot trees and blow off the roofs of houses.
3. What do you call a gentle wind?
Answer:
A gentle wind is called a breeze.
4. Which instrument is used to measure wind speed?
Answer:
Wind speed is measured with an anemometer.
6. How can wind direction be found?
Answer:
Wind direction can be found using a wind vane.
7.
Q1. Match the instrument with its associated element.
Instrument Element of Weather
(a) Rain gauge (iv) Precipitation
(b) Barometer (ii) Atmospheric pressure
(c) Thermometer (iii) Temperature
(d) Anemometer (i) Wind direction and speed
Correct matching order:
(a) → (iv), (b) → (ii), (c) → (iii), (d) → (i)
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Q2. Imagine that a small group of students is standing up at the assembly ground of your
school.
a) Which of the following will change if it is 9 o’clock in the morning and it is drizzling?
Answer: The humidity and precipitation will change.
b) Which of the following will change if it is 12 noon and the day is sunny?
Answer: The temperature will change (humidity may decrease).
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Q3. Here are some options for the site of a rain gauge in your school. Select the most
suitable one.
Options:
1. The school vegetable garden.
2. The rooftop of the school building.
3. The ground, near the school playground.
4. The compound wall of school laboratory.
Answer: Option 3 (The ground, near the school playground) is most suitable, because rain
gauges should be kept in an open ground, away from buildings and walls, so that no
obstruction affects rainfall measurement.
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Q4. Discuss in your group and finalize three places where the rain gauge is to be installed in
your locality.
Open park / playground
Agricultural field
Near a weather station / open government land (without tall trees or buildings around)
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Q5. Look at the data in the table and answer:
(Table shows ACT = Actual, NOR = Normal, DEP = Departure, RF = Rainfall, SN = Snowfall,
TR = Trace.)
(a) Which station had the highest temperature?
From table: Nagpur (41.3°C)
(b) Which station had the lowest temperature?
From table: Srinagar (1.1°C)
(c) Which station received maximum rainfall?
From table: Shillong (536.3 mm)
(d) Which station received snowfall?
From table: Srinagar (Snowfall = 6.2 cm)
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