Have you ever mixed baking soda and vinegar? 🧂 That bubbling reaction is a chemical reaction ! 🧪 A chemical reaction happens when substances combine and form new substances with different properties. Signs of a chemical reaction include: Color change Gas bubbles Temperature change Light or sound 🤩 Fun Fact Rusting is also a chemical reaction between iron and oxygen! 🎥 Watch and Learn

Have you ever wondered why you look a little like your parents? 👨‍👩‍👧 The answer is DNA !🧬 DNA (Deoxyribonucleic Acid) is a molecule found inside almost every cell in your body. It carries genetic instructions that determine your traits — like eye color, hair type, and even some talents. DNA is shaped like a twisted ladder called a double helix . 🧠 Fun Fact If you stretched out all the DNA in your body, it would reach to the Sun and back — many times! 🎥 Watch and Learn

Have you ever seen a colorful rainbow in the sky after it rains? 🌦️✨ Rainbows appear when sunlight shines through tiny water droplets in the air. When light passes through water, it bends. This bending of light is called refraction . The light then spreads out into different colors — red, orange, yellow, green, blue, indigo, and violet! 🌈 You can try this at home using a glass of water and a flashlight. Shine the light through the water onto a white wall and look closely —