Earth - Our Home Chapter Notes | Let's Look Around & Learn 2: Solutions, Notes & Worksheets - Class 2 PDF Download

Introduction

• The Earth is a wonderful place with two main elements: land and water, gifted to us by nature.
• Natural features include different types of landforms and water bodies.

Landforms

• Plains: Large, flat areas of land.
• Valley: A piece of land between two hills or mountains.
• Mountain: Very high land; smaller ones are called hills.
• Island: A piece of land surrounded by water on all sides.
• Forest: A vast land covered with thick trees.

Water Bodies

• Sea: A stretch of salty water; a very big sea is called an ocean.
• River: A large water flow from land to sea, like a long line.
• Stream: A small river.
• Lake: A large area of water surrounded by land.
• Pond: A small area of still water.

Human Impact on Nature

We have made changes for our comfort but have also harmed nature's gifts.

Environmental Issues

• Air Pollution: Caused by smoke from factories, vehicles, and burning garbage.
• Water Pollution: Caused by throwing plastic and garbage into rivers, and bathing animals in them.
• Noise Pollution: Caused by loud music, crackers, and unnecessary honking.

Consequences of Pollution

Pollution leads to many diseases.

Lessons Learned

• Earth Composition: Earth consists of land and water.
• Human Responsibility: We are responsible for air, water, and noise pollution.
• Nature Preservation: We need to appreciate and protect nature's gifts for a healthy planet.