NCERT Book Class 6 Science The Wonderful World of Science PDF Download

Chapter 1: The Wonderful World of Science

As human beings, we have always been curious about our surroundings. We start exploring our surroundings and asking questions right from our childhood. Did you enjoy discovering and exploring the world around you in the Preparatory Stage of school? As you enter the Middle Stage, we will continue this fascinating journey, trying to explore and understand the beautiful world we live in. And for that, we have a new subject, Science. Welcome to the wonderful world of Science!

What is Science?

Science is a way of thinking, observing and doing things to understand the world we live in and to uncover the secrets of the universe. Think of it as a big adventure - we ask questions, explore the world and try to understand how things work. For this, the most important thing is to have 'Curiosity', which is where the title of this book comes from.

Whether it is studying tiny grains of sand or massive mountains, a leaf of grass or a vast forest, there is always something new and exciting to discover. Have you ever looked up at the night sky and wondered why the stars shine? Or watched a flower bloom and wondered how it knows when to open? These are just a few of the many mysteries that science helps us unravel. The most wonderful thing about science is that it is everywhere. From the depths of the ocean to the vastness of outer space, from what is cooking in the kitchen to what is happening on the playground, some of the most groundbreaking discoveries have often come from unexpected places.

[Figure: A mountainous region, See in your textbook]

[Figure: A Desert, See in your textbook]

[Figure: A Coast, See in your textbook]

[Figure: An underwater view of an Ocean, See in your textbook]

[Figure: A Galaxy, See in your textbook]

Teacher's Note

Science is not just about facts to memorize - it is about how we discover things by asking questions and testing our ideas. When you see something interesting, ask yourself "why does this happen?" and "how can I find out?" This curious mindset is what makes you a scientist.

Science is like a giant and unending jigsaw puzzle. Every new discovery we make adds another piece to that puzzle. And you know the best thing about this puzzle? There is no limit to what we can discover, since every new piece of knowledge leads to more questions and more things to find out. Sometimes, we find that a piece of this puzzle has been put in the wrong place and needs to be moved. New discoveries often change our understanding of the world.

As you go through this book, you will encounter interesting ideas, do some thought-provoking experiments, and see how some of what we will find out is useful in our daily lives. And guess what happens as we discover more and more? We start realising that these ideas are all connected.

What will we explore with the help of this book?

We will start off by looking at our home, planet Earth. It is the only planet we know that supports life, and it has an environment that we must protect. There is an amazing variety of life on Earth - plants and animals that have managed to survive and thrive in different regions on this planet. You might have seen a seed grow into a plant, a caterpillar transform into a beautiful butterfly and many more such observations. How do these plants and animals grow?

Teacher's Note

Notice how science connects everything: we study growth in plants and animals, and that connects to food, which connects to the environment, which connects to Earth itself. When you learn a new topic, always try to link it to something you already know. This helps you build a complete picture rather than learning isolated facts.

Of course, to grow, we need food to eat, and especially in a large and diverse country like India, food is so fascinating. Across the country, we have different cuisines with their many tasty dishes. What are they made of? How do we find out?

[Figure: A caterpillar on a leaf, a seedling in soil, and a cow with a calf, See in your textbook]

[Figure: Various Indian dishes, See in your textbook]

Key Points

• Science is a way of thinking and observing the world around us by asking questions and exploring to understand how things work.
• Every new discovery in science adds a piece to our knowledge, but it also leads to more questions - there is no end to what we can discover.
• Science is everywhere, from deserts and oceans to kitchens and playgrounds, and big discoveries can come from unexpected places.
• In this course, we will explore Earth, the varieties of life on it, how living things grow, and the food that keeps us healthy.

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