International Green Warrior Olympiad Class 4 Previous Year Paper

Is your child ready to become an eco-hero? The International Green Warrior Olympiad for Class 4 is a fantastic way to blend academics with environmental awareness. One of the best ways to prepare is by using previous year question papers tailored to their grade level.

Why Should Students Practise Past Papers?

• Introduces key environmental topics like Clean Water and Sanitation, Affordable and Clean Energy & Sustainable Cities and Communities etc.
• Enhances logical thinking and real-world awareness through engaging, topic-based questions.
• Helps students get used to the Olympiad format and boosts confidence through structured practice.

Download the Class 4 International Green Warrior Olympiad Previous Year Paper PDF and support your child's journey toward becoming a thoughtful and informed global citizen!

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Syllabus:

Clean Water and Sanitation

1. Importance of clean water and sanitation
2. Access to clean water: Sources of clean water, water purification methods, role of water treatment plants
3. Sanitation and hygiene: Importance of proper sanitation, personal hygiene practices, keeping our surroundings clean, handwashing demonstration and practice, diseases that can spread due to poor sanitation and hygiene
4. Water conservation: Understanding the water cycle, ways to conserve water, practical tips for conserving water
5. Water and environment: Impact of pollution on water bodies, importance of clean rivers and oceans

Affordable and Clean Energy

1. Introduction to energy: Understanding what energy is, different forms of energy (e.g., solar, wind, fossil fuels), importance of energy in our daily livesEnergy conservation: The concept of energy conservation, practical tips for saving energy at home and school, energy-efficient appliances and lighting
2. Access to clean energy: How lack of access to clean energy affects communities, solar power in remote areas
3. Renewable and non-renewable energy: Understanding of renewable energy sources (e.g., a solar-powered toy car, a wind turbine), biomass as a renewable energy source, how biomass is used for cooking and heating, environmental benefits and challenges
4. Clean energy and the environment: The impact of clean energy on the environment, reducing greenhouse gas emissions
5. Fossil fuels and pollution: What are fossil fuels (coal, oil, natural gas)?, the environmental impact of fossil fuel use, air pollution and its consequences, ways to reduce fossil fuel use

Sustainable Cities and Communities

1. Sustainable water management: Rainwater harvesting, water reuse and recycling, role of communities in protecting water sources
2. Sustainable transportation: Introduction to electric and hybrid vehicles, bicycles as a sustainable mode of transportation, reducing carbon emissions through transportation choices, eco-friendly transportation
3. Sustainable materials: Identifying sustainable materials (e.g., paper, cloth, glass), harmful materials (e.g., plastics), exploring biodegradable and non-biodegradable materials
4. Sustainable energy sources: Introduction to clean and renewable energy sources, solar energy and how it works, wind energy and its benefits

Responsible Consumption and Production

1. Responsible consumption: Why responsible consumption is important, connection between consumption and the environment
2. Reduce, reuse, recycle: The three R's of responsible consumption, how to reduce waste, ways to reuse items, introduction to recycling and its benefits
3. Food choices and waste: The impact of food choices on the environment, reducing food waste at home and school, composting and its benefits
4. Responsible energy use include: Turning off your computer screen when you're not using it, putting a lid on your pot or pan etc.
5. Waste reduction and upcycling projects: Using recycled or upcycled materials

Climate Action

1. Introduction to climate change: Understanding what climate change is, causes of climate change (e.g., greenhouse gases), impacts of climate change on the planet
2. The greenhouse effect: Explaining the greenhouse effect, how it affects the earth's temperature
3. Reducing our carbon footprint: Strategies to reduce personal carbon footprints, discussion on energy conservation, transportation choices, and waste reduction
4. Climate change impacts: Effects of climate change on ecosystems, wildlife, and communities

Life Below Water

1. Oceans and their importance: Importance of oceans and water bodies, different marine habitats (e.g., coral reefs, kelp forests, open ocean), marine species and their adaptations to underwater life
2. Marine food webs: Exploring marine food chains and webs
3. Threats to underwater life: Overfishing, habitat destruction, pollution, climate change, coastal development, human disturbance etc.
4. Ocean pollution: Sources of marine pollution (e.g., plastic waste, oil spills), effects of pollution on marine life and ecosystems, how individuals can reduce ocean pollution

Life On Land

1. Types of terrestrial ecosystems: Introduction to major terrestrial ecosystems (e.g., forests, savannas, wetlands, desert etc.), characteristics of each ecosystem
2. Forests and their importance: Understanding the significance of forests (e.g., carbon storage, oxygen production), reforestation and forest conservation efforts
3. Threats to life on land: Urbanization, pollution, land degradation, wildfires, poaching and illegal wildlife trade etc.
4. Biodiversity on land: Exploring the diversity of plant and animal life on land, discussing the interconnectedness of species in ecosystems

Food Security and Agriculture

1. Food Security: Definition and importance of food security, factors affecting food security (availability, accessibility, affordability).
2. Sustainable Agriculture: Introduction to sustainable farming practices, importance of conserving natural resources
3. Food Safety: Importance of food safety and hygiene, safe handling and preparation of food
4. Factors affecting agriculture and food security: Climate, soil, land, water, poverty, population etc.

Sample Paper Marking Scheme Free Study Material

Previous Year Questions

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Q.10

Q.1	In the bustling city of Aqua City, water is a precious commodity. The city's residents rely heavily on the local water treatment plant to provide them with clean and safe drinking water. Rachel, a curious and environmentally conscious young girl, is fascinated by the intricate process of water purification and the role it plays in ensuring the well-being of her community. One day, Rachel decides to embark on a journey to learn more about the sources of clean water, the water purification methods employed at the city's water treatment plant, and the importance of conserving this vital resource. What are the primary sources of clean water? 1. Surface water from rivers, lakes, and reservoirs 2. Groundwater from aquifers 3. Desalination of seawater
	a) Only 1		b) Only 2
	c) Only 2 and 3		d) 1, 2 and 3

Q.2	Sarah made efforts to reduce waste and use recycled materials, what is most probably an example of her creative use of recycled items?
	a) She regularly purchased brand-new plastic containers for her food storage.		b) She discarded old newspapers and magazines in the trash.
	c) She repurposed empty glass jars to create unique candle holders.		d) She threw away her worn-out clothing without considering recycling.

Q.3	Diana is passionate about reducing waste at school. She proposes a competition where students create musical instruments using only recycled materials. Which of these instruments would be the least likely to be created using recycled materials?
	a) A drum made from an old paint bucket and wooden spoons		b) A guitar with a body fashioned from cardboard and strings made from fishing line
	c) A keyboard with keys made from bottle caps and a frame from scrap wood		d) A flute carved from a bamboo branch

Q.4	While driving through a forested area, Joseph witnessed the aftermath of a wildfire that had recently swept through. He observed the scorched landscape and its impact on the surroundings. What consequences might wildfires have on animal habitats based on Joseph's observations?
	a) Providing a renewed and safer environment for animal habitation		b) No significant impact on animal habitats as they adapt easily to burned areas
	c) Disrupting and damaging existing habitats, displacing wildlife, and affecting their sources of food and shelter		d) Stimulating wildlife to migrate to unaffected areas for improved living conditions

Q.5	Based on your understanding of the water cycle, which of the following phenomena is not a form of precipitation?
	a) Rain		b) Fog
	c) Hail		d) Snow

Q.6	Jack was excited for a beach walk but found trash scattered along the shore. Which source of marine pollution is most likely responsible for this plastic mess?
	a) Industrial waste is dumped directly into the ocean		b) Shipwrecks and abandoned fishing gear
	c) Runoff from cities carrying microplastics from everyday products		d) Single-use plastic bags and bottles carelessly discarded on land

Q.7	During one of their hikes, the friends encountered a variety of wildlife, including polar bears and penguins that seemed displaced. What could be a likely reason for these animals to be found far away from their natural habitats?
	a) They were seeking new places to breed.		b) Climate change disrupted their usual food sources and habitats.
	c) They were migrating for seasonal changes.		d) Human intervention caused their displacement.

Q.8	In Country X, the government is facing the challenges of adapting to climate change impacts, particularly in regions prone to floods and hurricanes. They've initiated various strategies to mitigate these effects. Which of the following strategies is/are NOT a viable approach for Country X to adapt to climate change impacts based on the case study? 1. Implementing sustainable resource management practices. 2. Developing early warning systems for extreme weather events. 3. Investing in climate-resilient infrastructure and agriculture. 4. Promoting deforestation and habitat destruction for economic gain.
	a) Only 1		b) Only 2
	c) Only 4		d) Only 3 and 4

Q.9	A group of students decided to experiment with natural water purification methods. They placed layers of rock, sand, and charcoal in a bottle as shown in the picture and poured water through it. What is the primary purpose of the charcoal layer in this water purification setup?
	a) To add minerals to the water		b) To enhance the taste of the water
	c) To improve the water's colour		d) To remove impurities and toxins

Q.10	Why are oceans considered the "lungs of the Earth"?
	a) Because they produce a significant portion of the world's oxygen through phytoplankton photosynthesis		b) Because they are a source of clean air for the planet
	c) Because they release carbon dioxide into the atmosphere		d) Because they help in the transportation of oxygen to land-based ecosystems

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