All questions of EVS (Our Wondrous World) for Class 3 Exam

Festival Celebrated in Jharkhand
In Jharkhand, the festival celebrated during the spring season is known as Sarhul. This festival is significant for the tribal communities and marks the arrival of spring and the new harvest.
Significance of Sarhul
- Celebration of Nature: Sarhul is a celebration of nature and its bounty. It signifies the end of winter and the beginning of the spring season, which is crucial for agriculture.
- Cultural Importance: The festival showcases the rich cultural heritage of the tribal people in Jharkhand, emphasizing their deep connection with nature and the environment.
Rituals During Sarhul
- Carrying Germinated Grains: One of the main rituals involves carrying freshly germinated grains, symbolizing new life and growth.
- Sakhua Flowers: People also collect sakhua flowers to offer to the sakhua tree. This tree holds a sacred place in the hearts of the local tribes.
- Worship and Celebration: Devotees worship the tree and perform various rituals to seek blessings for a good harvest. It is a time for community gatherings, feasting, and cultural performances.
Conclusion
Sarhul is more than just a festival; it is a time for community bonding and expressing gratitude to nature for its blessings. Through these rituals, people reinforce their cultural ties and celebrate the essence of life in Jharkhand.

Kumbh Mela: The World's Largest Festival
The Kumbh Mela is celebrated in India and is recognized as the largest religious gathering in the world. It is typically held on the banks of rivers, which is crucial for its significance and rituals.
Why is it Held on Riverbanks?
- Spiritual Significance: The rivers, especially the Ganges, Yamuna, and Saraswati, hold immense spiritual importance in Hinduism. Pilgrims believe that bathing in these sacred waters during the Kumbh Mela purifies the soul and washes away sins.
- Mythological Roots: According to Hindu mythology, the Kumbh Mela is linked to the "Samudra Manthan" (churning of the ocean), where drops of nectar (amrit) fell at four locations on Earth during the event. These locations are where the Kumbh Mela is celebrated.
- Gathering and Rituals: The rivers provide a natural setting for millions of devotees to gather for rituals, prayers, and spiritual activities. The riverbanks become vibrant with tents, stalls, and various religious ceremonies.
Locations of Kumbh Mela
- Four Key Locations: The Kumbh Mela rotates among four locations: Haridwar, Allahabad (Prayagraj), Nashik, and Ujjain. Each venue is chosen for its historical and religious significance connected to the rivers.
- Accessibility: Riverbanks are typically more accessible for large crowds, allowing millions to participate in the festivities, making it a truly communal and immersive experience.
In conclusion, the Kumbh Mela's celebration on riverbanks is deeply rooted in spirituality, mythology, and tradition, making it a unique and significant event in the Hindu calendar.

Understanding the Properties of Materials
When we categorize materials, we generally classify them into three main states: solids, liquids, and gases. Each of these states has distinct characteristics that define their behavior.
Characteristics of Solids
- Fixed Shape: Solids maintain a definite shape. This means they do not change form unless force is applied.
- Incompressibility: Solids have closely packed particles, making them incompressible. They resist changes in volume and shape.
- Resistance to Flow: Unlike liquids and gases, solids do not flow. They retain their shape regardless of the container they are in.
Comparison with Other States
- Liquids: Liquids take the shape of their container. They flow and do not have a fixed shape, which means they can change form very easily.
- Gases: Gases expand to fill the space available to them. They also do not have a fixed shape or volume, and they flow freely.
Conclusion
Given these properties, the correct answer to the question of which type of material keeps its shape and does not flow is indeed option C: Solids. Solids are unique in their ability to maintain a definite shape and volume, distinguishing them clearly from liquids and gases. This fundamental understanding is essential for recognizing how different materials behave in our everyday environment.

Understanding Herbs
Herbs are a distinct category of plants that are primarily characterized by their non-woody, soft stems. Here's a detailed look into why herbs fit this definition:
Characteristics of Herbs
- Soft Stems: Herbs have stems that are flexible and green, which do not develop into hard, woody structures. This softness allows them to be more delicate and susceptible to environmental changes.
- Growth Habit: Unlike trees and shrubs, which can grow tall and develop a strong woody framework, herbs usually remain smaller. They often have a bushy appearance but lack the rigidity of their woody counterparts.
Comparison with Other Plant Categories
- Trees: These are tall plants with a single main stem (trunk) that is woody. Trees can grow to great heights and have a long lifespan.
- Shrubs: These are woody plants that are typically shorter than trees and have multiple stems. They also develop a hard structure.
- Climbers: Climbers can be either woody or herbaceous. Some climbers have soft stems, but many are classified as shrubs or vines due to their woody nature.
Importance of Herbs
- Culinary Uses: Many herbs are used in cooking for flavoring and garnishing dishes (e.g., basil, parsley).
- Medicinal Benefits: Herbs are often utilized in traditional medicine for their healing properties (e.g., mint, chamomile).
- Ecosystem Roles: Herbs can attract pollinators and provide ground cover, contributing to biodiversity.
In conclusion, the non-woody, soft stem structure is what distinctly identifies herbs as a separate category of plants, making them versatile and valuable in various aspects of life.

Understanding the Importance of Observing Pottery in Person
When it comes to learning how clay takes shape on a spinning wheel, the best way to observe this fascinating process is to visit a potter in your neighborhood. Here’s why this option stands out among others:
Real-Time Demonstration
- Visiting a local potter allows you to see the entire pottery-making process in real-time.
- You can observe how the potter manipulates the clay on the wheel, providing insight into techniques that videos or books may not capture.
Interactive Learning
- You can ask questions directly to the potter about their methods and experiences.
- This interaction enhances understanding as you receive immediate feedback and explanations.
Sensory Experience
- Being physically present allows you to engage your senses: feel the texture of the clay, see the colors, and hear the sounds of the wheel.
- This multi-sensory experience reinforces learning in a way that reading or watching cannot.
Local Community Connection
- Visiting a local potter strengthens community ties and supports local artisans.
- Connecting with a potter can inspire you to pursue your own pottery hobby or craft.
In conclusion, while watching a tutorial or reading about pottery can provide foundational knowledge, experiencing the craft in person offers unmatched learning opportunities. Observing a skilled potter at work enriches your understanding and appreciation of this beautiful art form.

Drinking an adequate amount of water daily is important to prevent dehydration and maintain proper bodily functions, as highlighted in the text. Water helps in regulating body temperature, transporting nutrients, and flushing out toxins.

Understanding the Lesson from Shambhu's Observation
Shambhu's observation of the monkey and the mango tree teaches him a valuable lesson about the interconnectedness of animals and plants.
The Role of Animals in Plant Life
- Animals, like monkeys, play a significant role in the life cycle of plants.
- Monkeys often eat mangoes and, in doing so, help in the dispersal of mango seeds.
- When monkeys consume the fruit, they travel to different locations and eventually excrete the seeds, allowing new mango trees to grow in various areas.
Importance of Biodiversity
- This interaction highlights the importance of biodiversity in ecosystems.
- Healthy ecosystems rely on various species working together, and animals contribute to the reproduction and spread of plant life.
Lesson on Nature's Balance
- Shambhu learns that every creature, no matter how small, contributes to the overall health of the environment.
- The relationship between monkeys and mango trees exemplifies a balanced ecosystem where each element fulfills a crucial role.
Conclusion
- Thus, the correct answer, option 'B', underscores that animals play a crucial role in the life cycle of plants.
- By observing this interaction, Shambhu gains insight into the delicate balance of nature and the importance of preserving all living beings for a thriving environment.

Benefits of a Birdbath in Summer
During the hot summer months, birdbaths serve as vital resources for birds. The correct answer to the question of how birdbaths benefit birds is option 'C': it helps birds cool down and drink water. Here’s why this is so important:
Hydration
- Birds require a constant supply of fresh water to stay hydrated, especially in the scorching heat.
- Birdbaths provide an accessible source for drinking, ensuring that birds can quench their thirst easily.
Cooling Down
- Just like humans, birds can become overheated in high temperatures.
- Bathing in water allows birds to cool down their body temperature. This behavior is essential for their health and well-being during hot days.
Feather Maintenance
- Regular bathing helps birds keep their feathers clean and in good condition.
- Clean feathers are crucial for insulation and waterproofing, which are important for their survival.
Social Interaction
- Birdbaths can also serve as social hubs where different species come together.
- This interaction can be beneficial for birdwatching enthusiasts and adds to the biodiversity of your garden.
In summary, birdbaths are not just decorative items; they are essential for providing birds with hydration, cooling them down, and helping them maintain their feathers. By placing a birdbath in your garden, you create an inviting environment that supports the well-being of local bird populations during the hot summer months.

Use of Cow Dung in Traditional Mud Houses
Traditional mud houses, commonly found in rural areas, often incorporate cow dung in their building materials. This practice has several practical benefits.
Natural Insulation
- Cow dung acts as an excellent insulator.
- It helps maintain a cooler temperature inside the house during hot weather and retains warmth during colder nights.
Insect Repellent Properties
- Cow dung contains natural compounds that can deter insects.
- When applied to the walls, it helps keep pests such as mosquitoes and termites away, contributing to a healthier living environment.
Durability and Strength
- When mixed with mud, cow dung enhances the structural integrity of the walls.
- It helps bind the materials together, making the walls more sturdy and resistant to cracks.
Eco-Friendly and Sustainable
- Using cow dung is an eco-friendly building practice, as it is a natural byproduct of livestock farming.
- This method reduces waste and promotes sustainability in construction.
Conclusion
In summary, the use of cow dung in traditional mud houses is primarily to keep the heat out and insects away. This time-honored practice not only provides comfort and safety but also contributes to the sustainability of building materials in rural communities.

During the Sarhul festival in Jharkhand, people celebrate nature and express gratitude towards the earth and the Sun. The festival symbolizes renewal, growth, and a sense of community as people come together to sing, dance, and make offerings in reverence to nature.

Vishu Kani is the auspicious ritual observed on the first day of the Malayali new year during the festival of Vishu. It involves sighting auspicious items at sunrise, symbolizing prosperity and abundance for the year ahead in Kerala.

Overview:
Vishu is a significant festival celebrated in the southern Indian state of Kerala. It marks the beginning of the Malayalam New Year and is observed with great enthusiasm by the people.

Celebration:
- Yellow Amaltas Flowers: During Vishu, people in Kerala decorate their homes with yellow amaltas flowers, also known as kanikonna. These bright yellow flowers symbolize prosperity and good luck for the coming year.
- Fruits and Vegetables: A key tradition of Vishu is the preparation of a special feast known as Vishu Sadhya. This elaborate meal typically includes an assortment of fruits and vegetables, signifying abundance and fertility.
- Vishukkani: Another important custom is the Vishukkani, which is the first thing people see on the morning of Vishu. It consists of items like rice, golden cucumber, betel leaves, areca nuts, metal mirror, and coins, all arranged in a traditional vessel called uruli.
- Customs and Rituals: On Vishu morning, family members wake up early to view the Vishukkani and seek blessings for the year ahead. It is believed that starting the year by looking at auspicious items will bring prosperity and success.
- Special Attire: People dress up in new clothes on Vishu, adding to the festive spirit of the occasion. It is a time for families to come together, exchange gifts, and enjoy the traditional delicacies.

Significance:
Vishu holds cultural and religious significance for the people of Kerala. It is a time to reflect on the past year, express gratitude for blessings received, and welcome the New Year with hope and positivity. The festival promotes unity, harmony, and the spirit of togetherness within communities.

Understanding Plant Types
In the world of plants, there are various categories, each with unique characteristics. Among these, trees stand out for their structure and growth patterns.
What are Trees?
- Trees are tall, woody plants that typically have a single main stem or trunk.
- They are characterized by a significant height and a complex branching system.
Branching Structure
- Trees have many branches that spread out from the trunk.
- Each branch supports a multitude of leaves, which are essential for photosynthesis.
- The wide spread of branches allows trees to capture sunlight efficiently.
Importance of Leaves
- Leaves on tree branches play a crucial role in the plant's survival.
- They convert sunlight into energy through photosynthesis, producing oxygen as a byproduct.
- The arrangement of leaves helps maximize light absorption.
Comparison with Other Plant Types
- Shrubs: These are shorter than trees and usually have multiple stems but are not as tall or large.
- Herbs: These are non-woody plants that are usually small and do not have a defined trunk.
- Climbers: These are plants that rely on other structures for support and do not have a strong, independent trunk.
Conclusion
Given these characteristics, trees are the plant type that typically has many branches spreading out with leaves on them. This structure is vital for their growth and ecological role. Understanding these differences helps us appreciate the diversity of plant life around us!

Introduction
Animals like cows and goats play a significant role in human life, particularly in agricultural and domestic settings. Their contributions extend beyond mere companionship, impacting nutrition and livelihood.
Companionship
- Many people keep cows and goats as pets or farm animals, providing emotional support and companionship.
- Animals can foster a sense of responsibility and connection to nature, especially for children.
Milk Production
- Cows and goats are essential sources of milk, which is a staple in many diets worldwide.
- Milk can be consumed directly or processed into various dairy products like cheese, yogurt, and butter.
- Goat milk is often preferred for its easier digestibility and nutritional benefits.
Economic Importance
- Cows and goats contribute to the economy through dairy farming and meat production.
- They provide livelihoods for farmers and contribute to local and national economies.
- By-products such as leather and manure are also valuable, with manure serving as a natural fertilizer.
Nutritional Benefits
- Milk from cows and goats is rich in essential nutrients like calcium, protein, and vitamins.
- These nutrients are vital for healthy growth and development, especially in children.
Conclusion
In summary, cows and goats play a multifaceted role in human life by providing companionship, essential nutrition through milk, and contributing to economic activities. Their presence enhances our lives in various ways, making them invaluable to human societies.

Common Activity: Building Houses
Building houses is a common activity that Rohan enjoys watching with his father for several reasons.
Bonding Experience
- Watching his father work on building houses allows Rohan to spend quality time with him.
- It creates a strong bond as they share knowledge and experiences related to construction.
Learning Opportunities
- Rohan learns about various construction techniques and tools used in building houses.
- He gains insights into planning and designing, which can spark an interest in architecture or engineering.
Creativity and Imagination
- Building houses allows for creativity in designing different structures.
- Rohan can visualize what the finished house will look like, encouraging his imagination.
Teamwork and Collaboration
- Working together on a house project teaches Rohan the importance of teamwork.
- He learns how collaborating with others can lead to better results.
Physical Activity
- Building houses involves physical activity, promoting a healthy lifestyle.
- Rohan enjoys being active and learning the physical aspects of construction.
In conclusion, the activity of building houses with his father not only strengthens their relationship but also provides Rohan with valuable life skills, creativity, and an understanding of teamwork. It is an enriching experience that goes beyond just watching; it involves learning and growing together.

Game Played by Bela and Her Family
Bela and her family enjoy playing Antakshari while sitting under a small shelter in the garden on rainy days. This classic Indian game is not only entertaining but also promotes family bonding and creativity.
What is Antakshari?
- Antakshari is a musical game where players sing songs starting with the last letter of the previous song.
- The game can be played with any number of players, making it perfect for family gatherings.
Why Antakshari is a Great Choice?
- Engagement: Antakshari keeps everyone engaged as they think of songs and lyrics, creating a lively atmosphere.
- Creativity: It encourages creativity and quick thinking, as players must recall songs quickly.
- Cultural Connection: The game helps in connecting with cultural roots, as players often sing traditional and contemporary songs.
Social Interaction
- Playing Antakshari fosters social interaction among family members, strengthening their bonds.
- It offers a break from electronic games, promoting face-to-face communication.
Conclusion
For Bela and her family, playing Antakshari under the shelter during rainy days is a delightful way to enjoy each other's company, celebrate music, and create lasting memories. The game perfectly suits their cozy setting, making rainy days a special family occasion.

Understanding the Issue of Water Scarcity
People in many parts of the world face the challenge of walking long distances to obtain water. The main reason for this is:
Limited Availability of Water Sources
- Water sources are often scarce in certain regions, particularly in arid and semi-arid areas.
- Natural water bodies like rivers, lakes, and springs may be far from residential areas, making access difficult.
- Seasonal variations can affect the availability of water, with some areas experiencing droughts.
Impact on Daily Life
- The long journeys to fetch water can consume a significant portion of the day, particularly for women and children who are often responsible for this task.
- This time spent collecting water could otherwise be used for education, work, or other essential activities.
Consequences of Limited Water Access
- Limited access to clean water can lead to health issues, as people may resort to using contaminated sources.
- This can result in waterborne diseases, which disproportionately affect vulnerable populations.
Community Solutions
- Communities can work together to develop sustainable water management practices.
- Rainwater harvesting, boreholes, and improved infrastructure can help reduce the distance people need to travel for clean water.
In conclusion, the limited availability of water sources is a critical factor that forces people to walk long distances for water. Addressing this issue is essential for improving health, education, and overall quality of life in affected areas.

Understanding the Mela Experience
After entering the mela ground, families often engage in various activities that enhance their overall experience. The correct answer is option 'B': they visited the games and toy stalls. Here’s a detailed explanation:
Excitement of Games and Toys
- Interactive Fun: Games and toy stalls are designed to be interactive and exciting. Families, especially children, are naturally drawn to the vibrant colors and sounds of these stalls.
- Variety of Choices: These stalls offer a wide range of games, from traditional fair games like ring toss and dart throwing to modern arcade games. This variety caters to different age groups and interests.
Social Interaction
- Family Bonding: Visiting these stalls allows families to bond over shared experiences. Playing games together creates joyful memories and encourages teamwork.
- Friendly Competition: Engaging in games often leads to friendly competition among family members, making the outing more fun and lively.
Attractiveness of Prizes
- Winning Prizes: Many stalls offer prizes for game participants, which adds an element of excitement. The thrill of winning a toy or a small reward can be very appealing, especially for children.
Conclusion
While buying souvenirs, eating street food, and watching magic shows are also entertaining activities, visiting games and toy stalls stands out due to the interactive and engaging nature of the experience. This ensures that families create lasting memories while enjoying their time at the mela.

Importance of Playing Safely
Playing is an essential part of childhood, contributing to physical, social, and emotional development. However, ensuring that playtime is safe is crucial for several reasons.
Preventing Accidents
- Playing safely helps to reduce the risk of injuries. Children can be adventurous, and when they engage in activities without proper safety measures, they can fall, trip, or collide, leading to accidents.
- Safe play environments, such as parks and playgrounds, are designed to minimize hazards like sharp objects, uneven surfaces, or dangerous equipment.
Encouraging Positive Experiences
- When children feel safe while playing, they are more likely to enjoy their activities and explore new games and challenges without fear.
- A safe play environment promotes confidence and encourages children to develop new skills, interact with peers, and participate in group activities.
Promoting Healthy Habits
- Playing safely also teaches children about responsibility and the importance of looking out for themselves and others.
- Understanding safe play helps children learn to navigate their surroundings better, fostering a sense of awareness and caution in various situations.
Conclusion
In summary, the importance of playing safely cannot be overstated. By prioritizing safety, we can prevent accidents, promote positive experiences, and encourage healthy habits in children. Safe play is vital for nurturing a fun and secure environment where children can thrive and grow.