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!

>>> Join CREST Olympiads WhatsApp Channel for latest updates. International Green Warrior Olympiad Previous Year Paper PDF for Class 4:

If your web browser doesn't have a PDF Plugin. Instead you can Click here to download the PDF

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

Q.1

Q.2

Q.3

Q.4

Q.5

Q.6

Q.7

Q.8

Q.9

Q.10

Q.1	Mac and Sam are two community leaders in a town both are passionate about finding ways to reduce reliance on fossil fuels. Which action would have the most significant impact?
	a) Advocating for policy changes that promote renewable energy and discourage fossil fuels.		b) Buying locally sourced food to reduce transportation emissions.
	c) By using the car for short trips or by increasing personal transportation.		d) Removing all existing solar panels from buildings and homes.

Q.2	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.3	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.4	Emily is a college student who is passionate about promoting sustainable transportation. She believes in reducing carbon emissions and minimising her environmental impact. Emily commutes to her campus using eco-friendly transportation options. What are the benefits of biking as a sustainable transportation option?
	a) It reduces traffic congestion and promotes physical fitness.		b) It increases fuel consumption and air pollution.
	c) It is less convenient than driving a car.		d) It has no positive impact on the environment.

Q.5	In a village, there lived a young girl named Maya. She loved exploring nature and understood the importance of conserving natural resources. Why did Maya think conserving soil was essential?
	a) Because soil erosion doesn't impact farming.		b) Because healthy soil is vital for growing crops and preserving biodiversity.
	c) Because soil degradation doesn't affect water quality.		d) Because adding chemicals to the soil benefits the environment.

Q.6	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.7	Imagine you're on an underwater adventure, exploring the impacts of climate change on marine life. As you dive deep, you encounter fascinating creatures. Which marine animals might struggle the most due to ocean acidification?
	a) Clownfish in coral reefs		b) Dolphins in the ocean
	c) Sharks in the deep sea		d) Seagulls on the beach

Q.8	Jake was on a jeep tour through a vast savanna with scattered trees, tall grasses, and large herbivores like zebras and giraffes. What adaptation helps these animals thrive in this seasonal ecosystem? 1. Thick fur or feathers for insulation against harsh desert temperatures. 2. Webbed feet and gills for navigating rivers and swamps in wetland ecosystems. 3. Long legs and speed for efficient grazing and escaping predators in the open terrain. 4. Thick blubber and streamlined bodies for swimming and hunting prey in polar regions.
	a) Only 1		b) Only 3
	c) Both 1 and 3		d) Both 2 and 4

Q.9	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.10	What are some diseases that can spread due to poor sanitation and hygiene? 1. Diarrheal diseases, such as cholera and dysentery. 2. Respiratory infections, such as pneumonia and influenza. 3. Skin infections, such as scabies and ringworm. 4. Parasitic infections, such as worms and lice.
	a) Only 1		b) Only 2
	c) Only 2 and 3		d) 1, 2, 3 and 4

Your Score: 0/10