International Green Warrior Olympiad Class 4 Previous Year Papers

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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	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.2	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.3	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) Stimulating wildlife to migrate to unaffected areas for improved living conditions		d) Disrupting and damaging existing habitats, displacing wildlife, and affecting their sources of food and shelter

Q.4	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.5	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.6	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.7	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.8	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.9	What impact does population growth have on food security? 1. Increased population reduces food demand 2. Larger populations have no effect on food production 3. Rapid population growth can strain food resources 4. A growing population guarantees surplus food production
	a) Only 1		b) Only 3
	c) Both 2 and 3		d) Both 3 and 4

Q.10	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.

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