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.1	You're excited to celebrate your friend's birthday and want to make them a special card. But you also care about the environment and want to be eco-friendly. Which option for your birthday card is the most sustainable?
	a) Buy a pre-made card made from recycled paper with plastic glitter and foil accents.		b) Download and print a colourful card design on printer paper.
	c) Order a custom-made card printed on high-quality paper.		d) Craft a card using upcycled materials like old fabric, cardboard, or buttons.

Q.2	Lily learn about a new technology that converts food waste into biogas for cooking fuel. What are the potential benefits of this approach?
	a) Increased dependency on fossil fuels		b) Escalation of greenhouse gas emissions
	c) Reduction of waste and diversion of organic matter from landfills		d) Establishment of a centralised source of renewable energy

Q.3	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.

Q.4	Mark lived in a small town named Greenville. He was deeply committed to environmental sustainability and made conscious choices in his consumption habits. How did Mark approach his consumption habits?
	a) He frequently bought new products and discarded old ones.		b) He always chose products with excessive packaging.
	c) He focused on reducing waste and reusing items.		d) He didn't pay much attention to his consumption habits.

Q.5	In a study comparing the environmental effects of traditional light bulbs to energy-efficient LED bulbs, researchers found that LED bulbs contribute to reducing greenhouse gas emissions. What feature of LED bulbs contributes to this positive outcome?
	a) They convert most of their energy into light, producing minimal heat and reducing energy waste.		b) They are made from recyclable materials, minimising their environmental impact.
	c) They are powered by renewable energy sources, like solar panels, eliminating reliance on fossil fuels.		d) They last longer than traditional bulbs, reducing waste and resource consumption.

Q.6	In a coastal town, residents have noticed a significant increase in the intensity and frequency of storms and hurricanes over the past few years. What could be linked to the observed stronger and more frequent storms and hurricanes?
	a) Declining sea levels providing more energy for storm systems.		b) Warmer ocean waters intensifying storm development.
	c) Decline in global population density.		d) Reduced levels of atmospheric humidity.

Q.7	At a bustling street market, Orry and Sara dig into delicious street food. Sara washes her hands with tap water provided by the vendor, while Orry opts for a quick wipe with a tissue provided by his friend. Who is more likely to experience foodborne illness, and why?
	a) Sara, because tap water in crowded places might be contaminated.		b) Orry, because tissues are ineffective against grease and foodborne bacteria.
	c) Both, as neither tap water nor tissues, provide sufficient protection against foodborne bacteria.		d) Neither, because the street food was probably freshly prepared and hygienic.

Q.8	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.9	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.10	In a town nestled near a volcanic region, residents are exploring an energy source that ensures consistent power regardless of the time of day or weather conditions. Which energy source would be most beneficial for this town's uninterrupted energy needs?
	a) Solar power from panels		b) Wind turbines on nearby hills
	c) Hydroelectric power from a nearby river		d) Geothermal energy from underground heat

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