Year 9 · Summer Second Half
Chemistry
2 lessons from 1 unit.
Unit C10 · lessons 5 to 6 of 6
Everything we build with came out of the crust, and the thin skin of gas above it is the other finite thing on the list.
- 05What's in the airModelThe air you are breathing would have killed almost everything alive two and a half billion years ago — and the things that made it were the ones it killed.Open this lesson
- 06Carbon dioxide, humans and climateSystemA gas making up four hundredths of one per cent of the air decides the temperature of the planet. Two centuries of burning things has moved that number by half again.Open this lesson
Back to all three sciences this half term The whole KS3 Chemistry course