https://www.khanacademy.org/science/revision-up-science-class-6-full-term/x00110b31861f2508:week-2/x00110b31861f2508:materials-around-us/v/opaque-transparent-and-translucent 2023-06-26T03:56:33.129173029Z Opaque, transparent and translucent Light doesn't pass through all materials. Materials can be categorised according to that property! Vibhor Pandey video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Opaque, transparent and translucent Light doesn't pass through all materials. Materials can be categorised according to that property! https://cdn.kastatic.org/ka-youtube-converted/Bc8UvDA3WfE.mp4/Bc8UvDA3WfE.mp4 183 Properties of Substances https://www.khanacademy.org/science/up-science-grade-6-revision-course-full-term/x017c12e57b64cfa8:week-4/x017c12e57b64cfa8:untitled-256/e/transparent-translucent-and-opaque 2026-07-15T08:30:45.200943224Z Transparent, Translucent and Opaque Objects LO: Transparent, Translucent and Opaque Revathi exercise https://www.khanacademy.org/science/revision-up-science-class-6-full-term/x00110b31861f2508:week-2/x00110b31861f2508:materials-around-us/e/transparency-and-light-transmission 2026-04-08T00:54:09.631945657Z Transparency and Light Transmission Lets answer some questions Shankar R exercise https://www.khanacademy.org/science/revision-up-science-class-6-full-term/x00110b31861f2508:week-2/x00110b31861f2508:exploring-magnets/v/magnetic-and-non-magnetic-substances 2023-07-03T13:44:16.33096147Z Magnetic and non-magnetic substances Some substances are attracted to a magnet and some aren't. Let's look at some examples! Vibhor Pandey video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Magnetic and non-magnetic substances Some substances are attracted to a magnet and some aren't. Let's look at some examples! https://cdn.kastatic.org/ka-youtube-converted/X931qHVvrJ4.mp4/X931qHVvrJ4.mp4 72 Properties of Substances https://www.khanacademy.org/science/ka-science-grade-6/x12c13c153ec99496:exploring-magnets/x12c13c153ec99496:properties-of-magnets/e/hots-magnets-an-introduction 2025-08-01T11:23:22.560058238Z HOTS_Magnets an introduction HOTS questions for magnetic and non-magnetic materials; Poles of magnet Yajurva Joshi exercise