Skip to content

Course home

9.1.2 The Earth's early atmosphere
x

Reconstructing the early atmosphere

Reconstructing the early atmosphere

Earth formed about 4.64.64.6 billion years ago. Almost no direct evidence of its earliest atmosphere survives because rocks and other materials from that time have been changed or destroyed.

9.1.2 The Earth's early atmosphere Lesson

  1. GCSE
  2. /Chemistry
  3. /9.1.2 The Earth's early atmosphere

Step-by-step lessons covering AQA GCSE Chemistry 9.1.2 The Earth's early atmosphere for Foundation and Higher tier. Each lesson works through exam-style questions in Paper 1 and Paper 2 format. Nail the core quantitative topics — moles, balancing equations and calculations — early on, since they underpin higher-tier questions across every paper and topic.