NCERT Solutions for Class 7 Social Science Chapter 2 PDF Download

NCERT Solutions for Class 7 Social Science Chapter 2 Understanding the Weather, are a useful resource for students to strengthen their grasp of the syllabus. This chapter helps learners explore different weather elements such as temperature, rainfall, pressure and wind patterns. 

With step-by-step explanations provided in the solutions, students can easily understand concepts, answer questions accurately and prepare effectively for exams. 

Understanding the Weather Class 7 Social Science

Weather plays an important role in our daily lives, influencing the clothes we wear, the food we eat, and even our travel plans. Chapter 2 Understanding the Weather introduces students to the basic concepts of weather and its various components.

The chapter explains the difference between weather and climate, helping learners understand that weather refers to short-term atmospheric conditions in a particular place while climate is the long-term pattern of weather over a region.

Students learn about the key elements of weather, including temperature, rainfall, air pressure, humidity, and wind. The chapter also discusses how these elements are measured using instruments such as thermometers, rain gauges, barometers and anemometers.

Furthermore, it explores how weather changes can affect agriculture, water resources and human activities, emphasizing the importance of understanding weather patterns.

By studying this chapter, students gain a practical knowledge of weather, learn to read weather symbols and forecasts, and develop a sense of how natural phenomena shape life on Earth. The chapter aligns with the Class 7 Social Science syllabus, making it easier for students to prepare for exams and understand real-world weather patterns.

Class 7 Social Science Chapter 2 Question Answer

Below are the solutions to all the questions from Chapter 2 Understanding the Weather for Class 7 Social Science. These solutions provide step-by-step explanations to help students understand concepts clearly, practice effectively, and prepare well for exams.

 The Big Questions? (Page 27)

Question 1. How can we measure and monitor the weather around us?
Answer:
We can keep track of the weather using different tools and instruments. For example:

• Thermometer: Tells us how hot or cold it is.

• Rain Gauge: Shows how much it has rained.

• Barometer: Measures air pressure, which helps us guess if the weather will change.

• Anemometer: Shows how fast the wind is blowing.

• Wind Vane: Tells the direction the wind is coming from.

• Hygrometer: Measures the humidity or the amount of water in the air.

Question 2. How do weather predictions help us prepare for events like heavy rain, storms, drought, and heat waves?
Answer:
Weather forecasts give us early information about what the weather will be like so we can get ready and stay safe. For example:

• Heavy Rain: We can carry umbrellas, avoid flooded areas and protect our homes from water damage.

• Storms: We can keep things safe, stay indoors and have emergency kits ready with food, water, and medicines.

• Drought: Farmers can plan how to water crops and everyone can save water.

• Heat Waves: We can drink plenty of water stay indoors during the hottest time, and use fans or coolers to stay comfortable.

Let’s Explore

Question 1. What are some of the words in your local language that you use to describe the weather? Hot, cold, warm, chilly, crisp, pleasant and so on, are commonly used terms in English. (Page 28)
Answer:
In my local language we have special words to describe different kinds of weather:

• Hot: We say garmi for hot weather, especially in summer.

• Cold: Thand is used for cold or chilly weather.

• Pleasant: When the weather feels nice, we say suhavna mausam.

• Chilly: For a slightly cold breeze, people say thandi hawa” or halki thand.

• Rainy: Baarish” or barsaat is used when it’s raining.

• Humid: Urnas describes sticky or sweaty weather.

• Cool breeze: A refreshing wind is called thandi hawa lag rahi hai.

Question 2. What do you think could be some other reasons to measure the weather more precisely? (Page 29)
Answer:
Measuring the weather accurately is very important for many reasons:

• Planning Daily Activities: It helps people plan their day, like carrying an umbrella, wearing warm clothes, or staying indoors during extreme heat or rain.

• Agriculture: Farmers can decide the best time to plant, water, or harvest crops, which helps avoid losses and grow better crops.

• Disaster Preparedness: Accurate weather data can warn us about cyclones, floods or droughts so people and governments can take safety measures.

• Aviation and Transportation: Pilots and drivers use weather information to travel safely and avoid storms fog or other risks.

• Environmental Monitoring: Scientists use weather data to study climate change, track pollution, and protect the environment.

Question 3. Talk to the elders in your neighbourhood and ask them how they predict the weather. What signs do they observe? Document any sayings in your regional language that refer to weather prediction. (Page 30)
Answer:
Elders often use natural signs to predict the weather. For example:

• If the sky is red in the morning, they say it might rain soon.

• Birds flying low or cows lying down are sometimes signs of rain.

• A calm and clear morning usually means the day will be sunny.

In my regional language (Hindi), some common sayings are:

• Subah ka lal asmaan, barish ka nishaan – A red sky in the morning means rain is coming.

• Gai lete hai, to barish aayegi – If cows lie down, rain might come.

• Shaam ka lal asmaan din hoga suhana – A red sky in the evening means a pleasant day ahead.

Question 4. (a) Here’s a chart of the temperatures of a city in Madhya Pradesh. What is the maximum temperature recorded in the week shown here? What is the minimum temperature? Calculate the range. (Page 32)

Answer:
Maximum temperature recorded: 32°C (on 03.03.2025)

Minimum temperature recorded: 14°C (on 05.03.2025)

Range of temperature: Maximum – Minimum = 32 – 14 = 18°C

Question 5. Make a rain gauge as shown in the below diagram. Place the rain gauge in an open area, away from objects that might obstruct rain. Ensure that the rain gauge is on a flat surface and will not tilt or topple with the wind. Using the measuring scale, record the amount of rainwater collected at the same time every day, for a month. (If there is snow, allow it to melt before taking the measurement.) Calculate the average rainfall for every week in that month and comment on the variation from week to week. (Page 34)

Answer:
Place a container in an open place to collect rain. Measure the rain at the same time every day. If there is snow, let it melt first. After a month calculate the average rainfall for each week and see how it changes.

Think About it (Page 29)

Question 1. Let us imagine Krishnan from Chennai is speaking with Amir in Kashmiri. Krishnan tells Amir that it has become chilly in Chennai after it rained the previous night. Amir asks him how cold it is. How will Krishnan explain to Amir how cold it is? After all, what is cold for Krishnan may not be cold for Amir?
Answer:
Krishnan says that the temperature is about 22°C. For people in Chennai, this feels quite cold because they are used to hot and humid weather. He might even say he wore a light sweater in the morning. Amir from Kashmir where winters can go below 0°C, thinks 22°C is actually nice and not cold. This shows that what feels cold or warm can be different for people living in different places.

Question 2. Why do you think it would be important to measure the atmospheric pressure? Who are the people most likely to use such measurements? (Page 35)
Answer:
Measuring atmospheric pressure is important because it helps us understand and prepare for weather changes. For example:

• A drop in pressure can mean rain or storms while high pressure usually means clear skies.

• Sudden changes in pressure can warn about cyclones, hurricanes or thunderstorms.

• Pilots use pressure readings for safe flights.

• Pressure changes can affect people health like those with arthritis or migraines.

• Scientists use it to study weather, climate and the environment.

• Sailors and fishermen use it to predict storms and plan safe trips.

People who use atmospheric pressure measurements include:

• Meteorologists: For weather forecasts.

• Pilots and airlines: For safe flying.

• Farmers: To plan farming and protect crops.

• Sailors and fishermen: To avoid storms.

• Mountaineers and hikers: To understand altitude changes.

• Scientists: To study climate and the environment.

Question 3. People who journey to places at a high altitude are advised to make pause on the way to allow the body to acclimatise. Our army personnel serve in high- altitude places like Khardungla in Ladakh, which is over 5600 metres above sea level. It is hard to image how they live and work in places where the oxygen level is so low – the atmospheric pressure there is generally about 650 millibars! (Page 35)
Answer:
Army personnel live in very tough conditions at high places like Khardung La:

• Extreme weather: They face freezing cold, strong winds and very low oxygen.

• Training: Soldiers get special training to adapt to high altitudes and be ready for challenges.

• Special equipment: They use oxygen cylinders, warm clothes and other gear to survive and work.

• Mental strength: It takes courage and patience to live far from family in such harsh conditions.

For most people, living there is hard to imagine because we are used to normal air and comfortable temperatures. The army’s work in such places shows their bravery and dedication.

Question 4. Have you seen seeds like these flying in the wind (see the below image)? What would happen to the seeds if there was no wind? (Page 36)
Answer:
If there was no wind seeds would fall close to the parent plant. This would make plants grow very close together, and they would have to compete for sunlight, water and nutrients. Some seeds might not grow at all. Without wind, seeds could not reach new places, so fewer new plants would grow. Over time some plants might even disappear because they cannot spread.

Question 5. If the humidity in Delhi is at 52% while in Kochi it is 84% in which of the two places are wet clothes likely to dry faster? And where are you likely to sweat more, assuming the temperature in the same in both places? (Page 38)
Answer:
Drying clothes: Clothes will dry faster in Delhi because the air is drier and can take in more moisture.

Sweating: You will sweat more in Kochi because the air is very humid, so sweat does not evaporate easily and you feel hotter.

Class 7 SST Chapter 2 (Exercise)

Question 1. Match the instrument with the weather element it measures.

Answers:

Question 2. Jyotsna is deciding what clothes to pack for her school trip to Mumbai in June. She looks at the weather forecast, which predicts 29°C and 84% humidity. What would be your advice to her?
Answer:
Wear light clothes: Cotton clothes are best because they keep you cool and absorb sweat.
Protect from the sun: Take a cap or hat and sunglasses.
Be ready for rain: Carry an umbrella or raincoat as June is the start of the monsoon.
Comfortable shoes: Wear water-resistant shoes or sandals.
Drink water: High humidity makes it feel hotter so stay hydrated.

Question 3. Imagine that a small group of students is setting up a rain gauge. Here are some options for the site.
(i) The school vegetable garden.
(ii) The terrace of the school building.
(iii) Open ground with elevated platform.
(iv) Compound wall of school.
(v) Verandah of the school laboratory.
Discuss in your group and finalise the site. Write down the reasons for your decisions.
Answer:
The best site is an open ground with an elevated platform.
Reasons:

• It is away from trees, walls and buildings, so rain can fall directly into the container.

• The platform keeps the container steady and stops it from tipping over.

• It gives the most accurate measurement because nothing blocks the rain.

NCERT Solutions for Class 7 Social Science Chapter 2 Understanding the Weather PDF Download

Students can download the NCERT Solutions for Class 7 Social Science Chapter 2 Understanding the Weather PDF from the link below. This PDF provides clear and easy-to-understand answers for all in-text and exercise questions helping students study effectively, revise quickly and prepare well for exams.

Benefits of Using NCERT Solutions for Class 7 Social Science Chapter 2 Understanding the Weather

Here are the Benefits of Using NCERT Solutions for Class 7 Social Science Chapter 2 Understanding the Weather. 

• Helps students clearly understand weather concepts, including temperature, rainfall, air pressure, humidity, and wind patterns.

• Key topics like weather elements, instruments used for measurement and the difference between weather and climate can be quickly revised for better exam performance.

• Students can use the solutions to revise important points before tests.

• Solving in-text and exercise questions helps students understand the types of questions commonly asked in exams.

• Working on sample exercises and practical activities enhances time management and preparation skills.

• Helps students relate classroom learning to daily life and strengthens knowledge for future studies in science and social science.