Science Class 6 - Our Environment Notes

Our Environment

Welcome to the chapter on Our Environment for Class 6. In this chapter, you will learn what the environment is, why it is important, and how human activities affect it. By the end of this chapter, you will understand how to protect and care for our environment!

Introduction

The environment is everything around us—air, water, land, plants, animals, and people. A clean and healthy environment is important for all living things.

Components of the Environment

• Natural components: Air, water, soil, plants, animals.
• Human-made components: Buildings, roads, vehicles, machines.

Why is the Environment Important?

• Provides clean air to breathe.
• Gives us water to drink and use.
• Supports plants and animals.
• Helps us grow food and live safely.

Human Impact on the Environment

• Cutting trees (deforestation) harms nature.
• Throwing waste and chemicals pollutes air, water, and soil.
• Using vehicles causes air pollution.
• Plastic waste harms animals and plants.

How Can We Protect Our Environment?

• Plant more trees.
• Reduce, reuse, and recycle waste.
• Use less plastic.
• Save water and electricity.
• Keep surroundings clean.

Fun Activity: Eco-Friendly Day!

Spend a day using only reusable bags, saving water, and planting a tree. Write about how you helped the environment!

Summary

• The environment includes everything around us.
• Human activities can harm or help the environment.
• We must protect our environment for a healthy life.

Practice Questions

1. Name two natural components of the environment.
2. How does pollution harm the environment?
3. List two ways to protect the environment.
4. Why should we plant more trees?
5. What is recycling?

Challenge Yourself

• Make a poster about saving the environment.
• Write a short paragraph on how you can help reduce pollution.

Did You Know?

• Earth Day is celebrated every year on April 22 to protect our planet!
• One tree can provide oxygen for up to four people every day.

Glossary

• Environment: Everything around us—air, water, land, plants, animals, and people.
• Pollution: Making air, water, or soil dirty and unsafe.
• Recycle: To use things again in a new way.
• Deforestation: Cutting down trees in large numbers.

Answers to Practice Questions

1. Air, water (any two: air, water, soil, plants, animals).
2. It makes air, water, and soil dirty and harms living things.
3. Plant trees, recycle waste (any two: save water, use less plastic, keep surroundings clean).
4. Trees give us oxygen and keep the air clean.
5. Using old things to make new things.

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Protect our environment—it's our home!