CBSE Class 6 Science Notes Chapter 5 Separation of Substances Pure Substances: Many substances around us contain only one type of constituent particles. Elements and compounds are pure substances. Some of the pure substances are iron, copper, water, salt, etc. Impure Substances: Substances containing more than one type of constituent particles are called impure substances. Some of … Read more
CBSE Class 6 Science Notes Chapter 15 Air Around Us Wind: When air is in motion, it is called wind. Air: Air is a mixture of different gases. Properties of air It is colourless i.e., it has no colour and taste. It is transparent i.e., we can see through it. Air occupies space. It fills all the … Read more
CBSE Class 6 Science Notes Chapter 4 Sorting Materials into Groups There is a vast variety of objects everywhere. All objects around us are made up of one or more materials. A thing can be made of different materials. Many things can be made from the same material. Classification: The process of sorting and grouping things … Read more
CBSE Class 6 Science Notes Chapter 3 Fibre to Fabric Fibres: All cloth materials are made up of long, narrow, thin structures called fibres. Fibres are obtained from natural as well as man-made sources. Natural Sources: Cotton, jute, silk, wool, etc., are obtained from natural sources- plants or animals. Man-made Sources: Polyester, nylon, rayon etc., are man-made materials … Read more