International Green Warrior Olympiad Class 4 Previous Year Papers

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

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Q.1	In a small village nestled between rolling hills, there lived a diligent farmer named Sarah. Her fields were her pride, where she cultivated various crops to feed her family and the community. One year, the village experienced an unusually prolonged drought, with rain becoming a distant memory. Sarah faced a significant challenge in managing her crops. What steps did Sarah take to cope with the effects of the prolonged drought on her crops?
	a) She relied solely on rainwater and didn't take any additional measures.		b) Sarah implemented drip irrigation and water conservation techniques.
	c) She abandoned her fields and moved to another village		d) Sarah increased the use of chemical fertilisers to compensate for the lack of rain

Q.2	In the town of Riverdale, by the banks of a once-pristine river, lived a young environmentalist named Liam. Liam was deeply troubled by the state of the river, which had been impacted by various forms of pollution. What were some harmful effects of water pollution that Liam observed in Riverdale's river?
	a) Degradation of water quality, making it unfit for drinking, recreation, or aquatic life.		b) Loss of biodiversity and disruption of aquatic ecosystems.
	c) Human health risks from exposure to contaminated water.		d) All of these

Q.3	Blair's family always uses reusable shopping bags and avoids buying bottled water. They also eat mostly plant-based meals and compost food scraps. Serena's family uses plastic bags, drinks bottled water, and throws away food scraps. Select the statement(s) that accurately shows how Blair and Serena's families' consumption affects the environment. 1. Blair's family uses less plastic, reducing pollution and resource depletion. 2. Blair's family consumes more energy due to using reusable bags. 3. Blair's family contributes more greenhouse gases through plant-based meals. 4. Serena's family has a smaller environmental footprint because they buy less.
	a) Only 1		b) Only 1 and 3
	c) Only 2, 3 and 4		d) 1, 2, 3 and 4

Q.4	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.5	What is a major source of plastic pollution in the oceans? 1. Improper waste disposal on beaches 2. Ocean currents carrying plastic waste from land 3. Controlled recycling centres near coastal areas 4. Natural formation of plastic in the ocean
	a) Only 1		b) Only 2
	c) Only 1 and 2		d) Only 3 and 4

Q.6	Tim, a young inventor, showcased his creation—a solar-powered toy car. He explained to the audience that his car used solar energy to operate. How does the car harness solar power?
	a) It stores sunlight in batteries for future use.		b) It absorbs solar radiation through a special material, directly powering the car's motor.
	c) It uses mirrors to reflect sunlight, generating movement.		d) It converts sunlight into electricity using solar panels on its roof.

Q.7	A group of scientists conducted a study on the impact of deforestation in a particular region. They observed an increase in the concentration of greenhouse gases in the atmosphere. Which role of forests in mitigating climate change was directly affected in this scenario?
	a) Soil erosion prevention		b) Providing shade to reduce temperature
	c) Carbon storage		d) Enhancing nutrient cycling

Q.8	Your class embarks on a school energy audit. Which areas should you investigate to understand how your school uses different forms of energy and identify potential conservation opportunities? 1. Lighting, heating, and ventilation systems 2. Classroom equipment, computers, and electronics 3. Water usage, waste disposal, and recycling practices
	a) Only 1		b) Only 1 and 2
	c) Only 2 and 3		d) 1, 2 and 3

Q.9	What does sustainable agriculture primarily focus on? 1. Maximising short-term profits regardless of environmental impact 2. Minimising the use of renewable resources 3. Balancing economic viability with environmental health 4. Ignoring the long-term implications of farming methods
	a) Only 1		b) Only 3
	c) Both 2 and 3		d) Both 1 and 4

Q.10	As the seasons passed, the town experienced more frequent and severe storms. How might these extreme weather events be linked to climate change?
	a) Natural weather cycles occurring randomly.		b) Increased deforestation in the surrounding areas.
	c) Shifts in ocean currents affecting atmospheric patterns.		d) Rapid urbanisation leading to weather alterations.

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