Introduction Have you ever tasted a lemon and felt its sourness? Or touched soap and noticed how slippery it feels? These differences happen because of acids and bases! Acids and
Introduction Have you ever wondered why water is so important in our daily lives? Whether we drink it, cook with it, or use it for cleaning, water is an essential
Introduction Have you ever wondered what air is made of? We can’t see it, but air is all around us! It fills our lungs when we breathe, helps birds fly,
Introduction Have you ever wondered why some objects are hard, while others are soft? Why can you see through glass but not through wood? Or why some materials float in
Introduction Have you ever seen ice melt into water and then freeze back into ice? That’s a change you can reverse! But what about when you burn paper? Can you
Introduction Have you ever wondered why ice melts into water or why steam disappears into the air? That’s because matter exists in different states—solid, liquid, and gas! Everything around us