Students will learn how to categorize matter as either pure substances or mixtures. Students will apply tests, based on physical properties of matter samples, to determine whether a mixture is ...

Everything that has mass and which occupies space is called 'matter'. The universe is constructed with matter and energy. Matter is made of very small particles and is constantly dynamic. It is ...

The NCERT questions given at the end of each chapter are not only important for examinations but also helpful to clearly understand all the concepts. That is why students are strongly recommended to ...