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	Your village receives heavy rainfall during the monsoon months of July and August as shown in the graph below. However, the remaining months experience significantly less rainfall, leading to water scarcity during the dry season. What would be the most effective strategy to address this water scarcity issue? 1. Plant more trees throughout the village to increase overall rainfall. 2. Implement rainwater harvesting systems on every household rooftop. 3. Educate villagers about water conservation practices and rainwater harvesting techniques.
	a) Only 1		b) Only 1 and 2
	c) Only 2 and 3		d) 1, 2 and 3

Q.2	A group of scientists is studying the ocean and how living things help clean up waste. Who is very important in the ocean for turning old stuff into useful nutrients?
	a) Seaweed		b) Tiny living things called Bacteria.
	c) Fish that eat plants.		d) Green plants called Seagrass

Q.3	What does "affordability" mean concerning food security?
	a) The cost of food in different seasons		b) The ability of people to buy the food they need
	c) The number of food items available in a store		d) The taste and quality of the food available

Q.4	Sarah watches how camels survive in the hot desert. What adaptations of camels, observed by Sarah, to survive in this harsh desert habitat?
	a) Long eyelashes, ear hairs, fat storage in humps, specialied kidneys		b) Having retractable claws for better grip on sandy surfaces.
	c) Ability to flatten their bodies to absorb heat from the desert sand.		d) Ability to close their nostrils to prevent sand from entering while breathing.

Q.5	Sarah and Jake embarked on a fun adventure to explore a nearby wind farm. They were fascinated by the massive wind turbines spinning gracefully in the wind. What is the primary function of these wind turbines?
	a) Capturing wind energy to create artificial rainfall in the area.		b) Filtering air pollutants to make the environment cleaner.
	c) Using wind power to pump water from underground reservoirs.		d) Generating electricity by using wind to turn turbines connected to generators.

Q.6	In a grassland food web experiment, researchers introduced a new herbivore species not native to the area. This herbivore consumed a wide range of plants. What is the most likely impact of introducing this herbivore on the grassland food web?
	a) An increase in plant diversity due to reduced herbivory		b) A decrease in the populations of native herbivores
	c) An increase in the populations of top predators		d) No significant impact on the food web structure

Q.7	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.8	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.9	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.10	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

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