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	While analysing climate data from the past century, Sophie noticed a trend of increasing global temperatures. What correlation did Sophie find between the rise in global temperatures and the greenhouse effect?
	a) There was no connection between rising temperatures and the greenhouse effect.		b) The rise in global temperatures was caused by increased volcanic activity.
	c) The greenhouse effect was a contributing factor to the observed rise in global temperatures.		d) Human activity had no influence on the greenhouse effect or global temperatures.

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	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.4	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.5	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.6	A tourist is exploring a kelp forest. What is the primary benefit of kelp forests in the marine ecosystem?
	a) Kelp forests have no impact on providing food and shelter for various marine species		b) Kelp forests do not assist in absorbing excess carbon dioxide from the atmosphere
	c) Kelp forests have no connection to maintaining the balance of marine food webs		d) Kelp forests provide habitats for numerous marine organisms and contribute to nutrient cycling

Q.7	Tom and Lily were thinking about different sources of energy for their home. Which options are renewable energy sources? 1. Coal and natural gas 2. Solar energy and wind energy 3. Hydro energy and geothermal energy
	a) Only 1		b) Only 3
	c) Both 1 and 2		d) Both 2 and 3

Q.8	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

Q.9	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.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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