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Key Point: Population density = Total population / Area (people per square kilometre) — helps compare how crowded places are.
What it means
People live in many kinds of places — mountains, deserts, coasts, forests, villages and big cities. Each place has different climate, land, water, plants, animals and jobs. These differences affect the way people build houses, what they eat, the clothes they wear, how they travel and the festivals they celebrate.
Why places differ
How people adapt
Rural vs Urban
Villages usually have fewer people, open fields and farming. Towns and cities have many people, shops, schools, hospitals and factories. Both kinds of places need clean water, good roads and schools.
Moving from one place to another (migration)
People move for work, study, better facilities, marriage or safety. Moving needs learning new languages, jobs and ways of living.
Important ideas for students
Key Point: Area of a rectangular room = length × breadth (A = l × b). Example: a 4 m × 3 m room has area 12 m².
What are houses and shelters?
Houses and shelters are places where people live or take refuge. They keep us safe from rain, wind, heat, cold and animals. A house is usually a permanent building where a family lives. A shelter can be permanent or temporary (for example, a tent).
Main functions
Parts of a typical house
Types of houses and shelters (by material)
Houses and climate
Different climates need different kinds of houses. In hot places houses have thick walls, small windows and verandas for shade. In cold places houses have small doors and roofs that stop heat loss. In rainy areas roofs are steep so water runs off quickly. Stilt houses are built in places that flood often.
Good features for healthy houses
How to look after a house
Simple care keeps a house safe: fix leaks, clean gutters, repair broken windows and doors, keep the surrounding area clean and remove standing water to avoid mosquitoes.
Key Point: Appropriate Clothing = Weather + Activity + Comfort
Clothing are items we wear on our bodies. They protect us from weather (cold, heat, rain, sun), keep our bodies clean, and show our culture, work, or group (for example, school uniforms). Clothes are made from different fabrics such as cotton, wool, silk and synthetic materials (like nylon and polyester). Each fabric has special uses: cotton is cool and good for hot weather, wool keeps us warm in winter, silk is smooth and often used for special occasions, and synthetics are often water‑resistant or quick‑drying.
We choose clothes based on the weather, the activity (playing, swimming, or going to school), and tradition. For cold weather we wear layers (inner clothing, sweaters, coats). For rainy weather we use raincoats, umbrellas and water‑resistant shoes. Different parts of the world have different traditional clothes because of climate and culture — for example, people in cold places wear thick coats and boots, while people in hot places wear light cotton clothes and hats for sun protection.
Caring for clothes helps them last longer: follow washing instructions, dry them properly, mend small holes, and store them clean and dry. Donating or recycling old clothes helps others and reduces waste.
Key Point: Balanced plate = 1/2 fruits & vegetables + 1/4 proteins + 1/4 grains/cereals.
Food is what we eat to grow, play and stay healthy. Different foods give us different nutrients. A healthy eating habit means eating a variety of foods in the right amounts at the right times.
Main nutrients and their simple jobs:
Balanced diet: A balanced diet has foods from all groups in the right proportions. A simple way to think about a meal is: half the plate fruits and vegetables, one-quarter proteins, one-quarter grains/cereals. Children should eat regular meals (breakfast, lunch, dinner) and healthy snacks between them if needed.
Home and abroad — how eating habits differ and why: People in different places eat different foods because of climate, crops grown locally, traditions and religions. For example, rice is a staple in many parts of India and East Asia, while wheat (bread/chapati) is common in North India, Europe and West Asia. Coastal places eat more fish; cold places may eat more fats and warm foods. Eating tools and manners also vary: many cultures eat with hands, others use forks, knives or chopsticks.
Food safety and healthy habits: wash fruits and vegetables, cook raw foods well, store food properly, avoid too many fried and sugary foods. Choose seasonal and locally grown foods when possible — they are fresh and often healthier.
Simple tips for Class 4 students: eat a colourful plate (different colours = different nutrients), never skip breakfast, drink enough water, limit sweets and fried snacks, wash hands before eating, and try foods from other places to learn about those cultures.
Key Point: Distance = Speed × Time (D = S × T). Example: If a bus travels at 40 km/h for 2 hours, distance = 40 × 2 = 80 km.
What is transport and travel?
Transport means moving people or goods from one place to another. Travel is the act of going from one place to another. We use many kinds of transport every day — to go to school, visit relatives, buy things or carry goods for shops.
Modes of transport
Features to compare modes
Public vs private transport
Safety rules while travelling
Environment and transport
Some transports pollute more (many cars and airplanes). Choosing walking, cycling or public transport helps keep air clean and saves fuel.
How to choose the right transport?
Decide using these questions: How far do I need to go? How fast do I need to arrive? How much can I pay? Is it safe and available? For short trips in the neighborhood use walking or cycle; for school or city travel use bus; for far cities use train or plane.
Simple travel planning steps
Key Point: Daily earnings = daily wage × number of workdays (example: 200 rupees/day × 26 days = 5200 rupees/month).
Occupations are the jobs people do to earn a living. Daily life means the usual activities people do every day — work, housework, travel, school, play and rest. In Class 4, we learn about common occupations in our community (for example, farmers, teachers, shopkeepers, drivers, tailors, doctors) and how these jobs shape daily routines at home and abroad.
Main points to understand
How to observe and compare
Skills learned
Key Point: Basic communication formula: Sender + Message + Medium + Receiver + Feedback
What is a language? A language is a way people use words, signs and symbols to share thoughts, feelings and information. Languages can be spoken, written or shown by actions and gestures.
What is communication? Communication is the process of sending and receiving messages. It happens when one person (the sender) shares a message and another person (the receiver) understands it. Communication can be face-to-face, by phone, by writing, by pictures or by body language.
Kinds of communication children meet every day:
Home and abroad: At home we usually speak the language of our family and neighbourhood. Abroad means other places like different states or countries where people may speak different languages. Even if words are different, people can still communicate using body language, pictures, simple English words, or translators.
Why is it important? Languages and communication help us make friends, learn new things, ask for help, keep safe (by reading signs) and share feelings. Knowing more than one language or using clear ways of communicating helps a person feel confident while travelling or meeting new people.
Simple tips for clear communication:
Key Point: Festival = Occasion + Customs + People + Food + Decorations
What are festivals and customs?
Festivals are special days when people celebrate events that are important to their religion, culture, community or country. Customs are the usual ways people behave during these festivals—such as giving gifts, wearing special clothes, preparing certain foods, singing, dancing, praying or decorating homes.
Why are they important?
Festivals and customs help people remember their history and beliefs, bring families and communities together, teach values (like sharing and thankfulness), and make life joyful. They also show how different people live and think.
Types and examples
There are many kinds of festivals: religious (e.g., Diwali, Eid, Christmas), harvest/seasonal (e.g., Pongal, Thanksgiving), national (e.g., Independence Day), and cultural/community fairs. Customs vary: lighting lamps, visiting relatives, preparing special dishes, giving gifts, and wearing traditional clothes.
Home and abroad — similarities and differences
At home you may celebrate local festivals that come from family and regional traditions. Abroad (in other countries) people celebrate their own festivals which may look different — for example, Halloween (costumes and trick-or-treating) or Chinese New Year (dragon dances). Many customs are similar everywhere: families meet, share food, and decorate homes. Migration and travel mean people sometimes celebrate foreign festivals at home too, mixing customs and creating new traditions.
How to show respect and celebrate safely
Learn about others’ customs, ask questions politely, and follow hosts’ rules. Keep celebrations safe and eco-friendly: use fewer firecrackers, avoid litter, choose safe decorations, and involve adults for fire or cooking. Sharing and kindness are common values across all festivals.
Key Point: Area of a rectangular playground = length × breadth (A = l × b). Example: if l = 40 m and b = 20 m, A = 40 × 20 = 800 m².
What the topic is about
This topic looks at what schools are like at home and in other countries, and how children play and take part in games. It compares classrooms, playgrounds, toys and games, school timings and uniforms, and shows how play is an important part of every child’s life no matter where they live.
School life — similarities and differences
Games and play — why they matter
Types of games and examples
Rules, safety and inclusion
How schools encourage play
Simple classroom activities children can do
Summary: Schools everywhere mix study with play. Play keeps children healthy, teaches life skills and makes school enjoyable. Games may differ, but the benefits are the same.
Key Point: Rupee–paise conversion: 1 rupee = 100 paise. To convert rupees to paise: paise = rupees × 100. Example: 3.50 rupees = 3.5 × 100 = 350 paise.
What is currency?
Currency is the money used in a country for buying and selling things. It helps people trade easily. Currency comes in two forms: coins (small metal pieces) and notes (paper or polymer bills). Every country has its own currency and symbol so people can recognise it quickly.
Indian currency
India uses the Indian Rupee. The symbol is ₹ and 1 rupee = 100 paise. Common coins are 1, 2, 5 and 10 rupees and common notes are 10, 20, 50, 100, 200, 500, 2000 rupees. A rupee note or coin has pictures, numbers and a unique design to prevent fake money.
What are national symbols?
National symbols are special signs, pictures or things that represent a country and its culture. They show what is important to the country and help people feel proud and united. A few important Indian national symbols are:
Why they matter
Currency and national symbols help people recognise their country at home and abroad. The flag and emblem are used at schools, government buildings and on documents. The currency helps us buy things and travel between countries. Respecting national symbols is part of being a good citizen.
Safety and respect
Always handle money carefully and do not damage the national flag or emblem. Learn to recognise real notes and coins (look for watermarks, security thread, and special marks for the visually impaired).
Key Point: Average (mean) temperature for a period = (T1 + T2 + ... + Tn) / n — useful to find the usual temperature over n days/months.
What is climate? Climate is the usual pattern of weather in a place over many years. It tells us whether a place is usually hot, cold, rainy or dry. Weather is what happens day to day (sunny, rainy, windy); climate is the average of this over seasons and years.
What is environment? The environment is everything that surrounds living things — air, water, soil, plants, animals, buildings and people. Parts of the environment that are alive (plants, animals, people) are called biotic. Parts that are not alive (air, water, rocks, sunlight) are called abiotic.
Factors that affect climate (simple explanation):
How climate and environment affect life:
Protecting our environment: Simple actions help — planting trees, saving water, reducing waste, using less plastic, and keeping air and water clean. These actions keep the environment healthy and make life better for plants, animals and people.
Key Point: Using sets: Similarities = A ∩ B (features common to both A and B).
What it means: "Similarities" are the things two or more places, people or objects have in common. "Differences" are the things that are not the same.
How to compare (easy steps for Class 4):strong>
Why this is useful: Comparing helps us learn about other places, respect differences and notice things we share. It helps us make better decisions (for travel, packing clothes, trying foods).
Tips for children: Observe, ask questions, take notes and draw pictures. Use simple words like "same", "both", "different", "not same".
Key Point: Travel time (hours) = Distance (km) ÷ Speed (km/h). Example: 900 km ÷ 300 km/h = 3 hours.
When we visit another country, we go abroad. Visiting abroad is exciting because we see new places, meet new people, and learn new things. But before we travel, we must prepare carefully so the trip is safe, comfortable, and fun. Travel preparedness means planning documents, health, money, clothes, and safety rules.
Steps to get ready for a trip abroad
Simple safety rules for children travelling abroad
Preparing well makes a trip fun and worry-free. Small steps like checking the weather, packing a warm sweater, or learning how to buy a bus ticket can make a big difference.
Key Point: Map distance × scale factor = Actual (ground) distance. Example: If scale is 1 cm = 1 km and map distance = 5 cm, then actual distance = 5 × 1 km = 5 km.
A map is a simple drawing of a place seen from above. Maps help us find where things are and how to go from one place to another. In Class 4, we learn the basic parts of a map and how to use them to locate places.
How to locate a place step-by-step:
Maps are used in daily life: finding your school on a local map, following a bus route, checking where a friend lives, or using an atlas to find a country abroad.
Key Point: STOP = Stop, Think, Observe, Proceed — use this when you feel unsure or unsafe.
What this means: When you go to a place away from your home or to another country (abroad), you need to keep yourself safe and behave politely. Safety keeps you from getting hurt or lost. Etiquette means the good manners and respectful behaviour people expect there.
Safety rules:
Etiquette (good manners) when abroad:
What to do in an emergency:
Why this is important for children: Following safety rules prevents accidents and trouble. Being polite helps you make friends and shows respect for the country and its people. Learning these habits young makes travel fun and safe.