 Mountains on earth can never be taller than about 10 kilometers. But why? Why steal more elastic than elastic bands, even though these bands stretch so much more while steel hardly does so? When you gently place it, a paperclip can float on water. Yet if you just tap it, it'll sink. How? And most importantly, how does a cricket ball swing? Welcome to Properties of Matter. We'll explore these and many more questions in this course. If you're excited, let's dive in. This course is aligned with your class 11 CBC Properties of Matter, basically solids and fluids. And inside the unit, you'll find videos that help you clear the concepts, practice questions that will help you practice. There'll also be quizzes and unit tests, which will help you gain complete mastery of the subject. If you're ready, let's begin.