Multiple Choice Questions
Select the correct answer for each question.
In which layer of the atmosphere do most weather phenomena occur?
Which instrument is used to measure rainfall?
Wind moves from an area of ______ pressure to an area of ______ pressure.
Humidity refers to the amount of ______ present in the air.
Scientists who study weather are called:
Fill in the Blanks
Fill in the blanks using words from the chapter.
The troposphere extends from the Earth's surface to an average height of to kilometres.
Atmospheric pressure is measured using a , and it is generally higher at level.
Wind direction is measured using a , while wind speed is measured using an .
Rainfall is measured in (mm). If a place receives 30 mm of rainfall, it means the collected rainwater has reached a depth of mm.
pressure often indicates cloudy weather, storms, or rainfall, while pressure usually means clear skies.
Question & Answer
Answer in complete sentences. 2-mark: 2–3 sentences. 3-mark: 3–5 sentences. 5-mark: 5–6 sentences.
What is weather?
Why does atmospheric pressure decrease with height?
What is humidity and how does it affect people?
Why is it important to measure atmospheric pressure? Name any two groups of people who use such measurements. (Think About It, Page 35)
Explain the importance of temperature as an element of weather.
What is precipitation? Name any three forms of precipitation.
How do meteorologists forecast weather?
Describe the five main elements of weather. (Chapter End Test D.1)
The humidity in Delhi is 52% while in Kochi it is 84%. In which city will wet clothes dry faster? In which city will you sweat more, assuming the temperature is the same? Give reasons. (Think About It, Page 38)
Case-Based Question
Read the passage carefully and answer the questions that follow.
Riya lives in Mumbai. One day she noticed that the weather was very hot and humid. Dark clouds gathered in the sky and strong winds started blowing. Later, heavy rainfall occurred. The next day, she heard on television that meteorologists had predicted the rainfall using weather satellites and instruments.
Which element of weather made Riya feel sticky and uncomfortable?
What form of precipitation occurred in Mumbai?
Name the instrument used to measure rainfall.
Who are meteorologists?
Why is weather forecasting important?
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