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Nature is like a giant web where every living and non-living thing is connected. Understanding these connections helps us protect our environment and live in harmony with nature. This chapter studies how different organisms interact and why balance in nature is so imp for survival. Elephant Corridor In many parts of India, especially in Odisha, […]

Humans have always looked up at the sky to understand the passage of time. The movement of the Moon, Sun, and stars helps us track time through days, months, and years. This chapter studies how celestial bodies relate to timekeeping and calendars that we use today. How Does the Moon’s Appearance Change and Why? The

When we look into different types of mirrors or through lenses, we notice that our reflection or what we see can look quite different from what we expect. Understanding how light behaves when it hits mirrors or passes through lenses helps us comprehend many things around us. What Are Spherical Mirrors? Spherical mirrors are curved

When we drink ORS or mix sugar in our tea, we are actually witnessing the science of solutes, solvents and solutions in action. The uniform taste throughout every sip shows us how substances can completely blend together at the microscopic level. What Are Solute, Solvent, and Solution? When you add salt or sugar to water,

Everything around us from the staircase we use to the air we breathe is made up of tiny particles that form different types of matter. Understanding how these particles combine to form mixtures, elements, and compounds helps us appreciate the world around us. This chapter explores how different substances come together and their unique properties.

When you see pebbles and sand on a riverbank, or watch sugar dissolve in water, you’re actually observing the behavior of tiny particles that make up all matter around us. This chapter will help us study the minute building blocks of matter and understand how they explain the different states – solid, liquid, and gas

When you see fallen leaves swirling in the air or trees bending during strong winds, you’re witnessing the power of pressure and wind forces at work. This chapter will help us study how pressure creates winds, storms, and cyclones that shape many natural phenomena and impact our daily lives. We’ll learn about pressure in liquids

Forces are all around us in our daily lives, from pushing a door open to riding a bicycle against the wind. When we cycle up a hill or feel the pull of gravity as we come down a slope, we are experiencing different types of forces at work. What Is a Force? Force is basically

When we think about electricity, we usually focus on how it lights up bulbs or powers our devices. But electricity has two other imp effects that we can observe and use in many practical ways – it can create magnetic effects and produce heat. Does an Electric Current Have a Magnetic Effect? Electric current flowing

Health is much more than just not being sick – it includes feeling good physically, staying positive mentally, and having strong social relationships. In today’s world, we see changes in disease patterns where some diseases like smallpox have disappeared while others like diabetes are becoming more common. Health: Is It More Than Not Falling Sick?

The world around us is filled with countless tiny living creatures that remain invisible to our naked eyes. These microscopic organisms play crucial roles in our daily lives, from helping digest food to cleaning the environment. These notes will help students understand the hidden world of microorganisms and their imp connections to human life. Introduction

Science is not just about memorizing facts and formulas – it’s about developing a curious mind that asks questions and seeks answers. The investigative world of science opens up possibilities for young minds to understand the natural world around them. Probe and ponder The journey begins with questions that spark curiosity and make students wonder