Science Class 3 - Our Environment Notes
Comprehensive study notes for Class 3 - Our Environment olympiad preparation
Our Environment
Welcome to the chapter on Our Environment for Class 3. In this chapter, you will learn what the environment is, why it is important, and how we can take care of it. By the end of this chapter, you will understand how people, plants, animals, air, water, and land are all connected!
Introduction
The environment is everything around us—air, water, land, plants, animals, and people. A clean and healthy environment helps all living things grow and stay safe.
Parts of Our Environment
- Air: We breathe air to live.
- Water: We drink water and use it every day.
- Land: We live, play, and grow food on land.
- Plants: Give us food and oxygen.
- Animals: Live in the environment and help keep it balanced.
- People: Use and care for the environment.
Why Is the Environment Important?
- It gives us everything we need to live—air, water, food, and shelter.
- It is home to all living things.
- A clean environment keeps us healthy.
How Can We Take Care of Our Environment?
- Throw waste in dustbins, not on the ground.
- Plant more trees.
- Save water and use it wisely.
- Do not pollute the air by burning waste.
- Recycle and reuse things.
Fun Activity: Clean-Up Day!
Organize a clean-up in your classroom or neighborhood. Pick up litter and plant a tree together!
Summary
- The environment is everything around us.
- We must keep our environment clean and healthy.
- Everyone can help protect the environment.
Practice Questions
- Name three things that are part of our environment.
- Why should we plant trees?
- How can you save water?
- What happens if we throw waste on the ground?
- Why is clean air important?
Challenge Yourself
- Make a poster about saving the environment.
- List five ways you can help keep your surroundings clean.
Did You Know?
- Earth is the only planet with life because of its environment!
- Trees help clean the air and give us oxygen.
Glossary
- Environment: Everything around us—air, water, land, plants, animals, and people.
- Pollution: Making air, water, or land dirty.
- Recycle: Use things again instead of throwing them away.
Answers to Practice Questions
- Air, water, plants (any three: land, animals, people).
- Trees give us oxygen and keep the air clean.
- Turn off the tap when not in use, use a bucket instead of a shower, fix leaks.
- It makes our environment dirty and can harm plants and animals.
- Clean air keeps us healthy and helps us breathe easily.
Take care of your environment every day to keep Earth clean and green!