https://www.khanacademy.org/science/grade-6-science-snc-aligned/x19bc096754f0b9af:mixtures/x19bc096754f0b9af:pure-substances-and-mixtures/v/classification-of-matter 2022-10-31T23:33:27.733635026Z Classification of matter Matter is anything has mass and that occupies space. Matter can be classified into two categories: pure substances and mixtures. Pure substances are further broken down into elements and compounds. Mixtures are physically combined substances that can be mixed heterogeneously or homogeneously. Sal Khan video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Classification of matter Matter is anything has mass and that occupies space. Matter can be classified into two categories: pure substances and mixtures. Pure substances are further broken down into elements and compounds. Mixtures are physically combined substances that can be mixed heterogeneously or homogeneously. https://cdn.kastatic.org/ka-youtube-converted/FNYDRzG7fuE.mp4/FNYDRzG7fuE.mp4 468 Pure substances and mixtures https://www.khanacademy.org/science/grade-6-science-snc-aligned/x19bc096754f0b9af:mixtures/x19bc096754f0b9af:pure-substances-and-mixtures/v/nature-of-matter-ur 2025-08-07T23:35:51.501752344Z Nature of matter Created by Khan Academy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Nature of matter Created by Khan Academy https://cdn.kastatic.org/ka-youtube-converted/_VQRWmwVUWU.mp4/_VQRWmwVUWU.mp4 687 Pure substances and mixtures https://www.khanacademy.org/science/grade-6-science-snc-aligned/x19bc096754f0b9af:mixtures/x19bc096754f0b9af:pure-substances-and-mixtures/v/pure-substances-and-mixtures-part-1-ur 2025-08-07T23:35:51.501752344Z Pure Substances and Mixtures - Part 1 Created by Khan Academy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Pure Substances and Mixtures - Part 1 Created by Khan Academy https://cdn.kastatic.org/ka-youtube-converted/qVnkMq2bEzM.mp4/qVnkMq2bEzM.mp4 467 Pure substances and mixtures https://www.khanacademy.org/science/class-9-chemistry/x46dd29ce84a663ea:is-matter-around-us-pure/x46dd29ce84a663ea:difference-between-pure-substances-and-mixtures/e/pure-substances-and-mixtures 2026-04-03T18:30:01.793877038Z Pure substances and mixtures Let's solve a few problems to understand the difference between pure substances and mixtures. Aanchal Arora exercise https://www.khanacademy.org/science/class-7-science/x0c8b40bd4b242f0b:structure-of-nature-and-matter/x0c8b40bd4b242f0b:elements-compounds-and-symbols-of-elements/e/element-compound-and-mixture 2026-04-07T22:23:57.656416987Z Element, Compound and Mixture Let's solve some questions on Elements, Compounds and Mixtures and also on types of mixture Vibhor Pandey exercise