Year 7 · Spring Second Half
Chemistry
2 lessons from 1 unit.
Unit C2 · lessons 5 to 6 of 6
Everything there has ever been is built from about a hundred kinds of atom. This unit is about how you tell one kind from another, what happens when they join, and the one thing that never changes no matter what you do to them.
- 05FormulaeModelOne of these bottles is drinking water. The other bleaches hair and has been used as rocket fuel. The difference is one atom.Open this lesson
- 06Conservation of massQuantitativeA candle burns down to nothing. A nail rusts and gets heavier. One of those looks like mass being destroyed and one like mass being made. Neither is.Open this lesson
Back to all three sciences this half term The whole KS3 Chemistry course