Year 9 · Spring First Half
Chemistry
2 lessons from 1 unit.
Unit C9 · lessons 3 to 4 of 4
Some metals sit in the ground as the metal itself and some have to be torn out of a rock with electricity, and the difference is one order that was worked out by putting metals into liquids and watching. This unit is about that order, what it predicts, what it costs — and then about the materials that are not metals at all.
- 03Getting metals out of rocksProcessHalf of a lump of malachite is copper, by mass, and no amount of melting will pour any of it out. So how do you get a metal out of a rock that is not letting go?Open this lesson
- 04Ceramics, polymers and compositesContrastA china plate shatters on a tiled floor and a plastic beaker bounces. But you could stand on the plate and it would hold you. So which of the two is the stronger material?Open this lesson
Back to all three sciences this half term The whole KS3 Chemistry course