General Knowledge Class 3 - Earth And-Its-Environment Notes
Comprehensive study notes for Class 3 - Earth And-Its-Environment olympiad preparation
Earth and Its Environment
Welcome to the chapter on Earth and Its Environment for Class 3. In this chapter, you will learn about our planet Earth, its land, water, air, and how we can protect the environment. By the end of this chapter, you will understand why it is important to keep our Earth clean and safe!
Introduction
Earth is our home. It has land, water, and air. Many plants, animals, and people live on Earth. The environment is everything around us—air, water, land, plants, and animals.
Parts of the Earth
- Land: Mountains, plains, deserts, forests.
- Water: Oceans, rivers, lakes, ponds.
- Air: The invisible gas we breathe.
Why Is the Environment Important?
- It gives us clean air to breathe.
- It gives us water to drink.
- It gives us food to eat.
- It is home to many living things.
How Can We Protect the Environment?
- Do not throw garbage on the ground.
- Plant more trees.
- Save water and electricity.
- Do not pollute air and water.
- 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 with your friends!
Summary
- Earth is our home and has land, water, and air.
- The environment is everything around us.
- We must protect the environment to keep Earth clean and safe.
Practice Questions
- Name two parts of the environment.
- Why should we plant trees?
- How can we save water?
- What should you do with garbage?
- Why is clean air important?
Challenge Yourself
- Draw a picture of a clean and green Earth.
- List three ways you can help the environment at home.
Did You Know?
- Earth is the only planet known to have life!
- Recycling one ton of paper saves 17 trees!
Glossary
- Environment: Everything around us—air, water, land, plants, and animals.
- Recycle: To use things again in a new way.
- Pollution: Making air, water, or land dirty.
Answers to Practice Questions
- Land, water, air, plants, animals (any two).
- Trees give us clean air and shade.
- Turn off the tap when not in use, fix leaks, use water wisely.
- Throw it in a dustbin or recycle it.
- Clean air keeps us healthy and helps us breathe.
Take care of the Earth and its environment to keep it beautiful for everyone!