Embedded Files
You will need to use a combination of the materials we have collected here to enable you to succeed. The most important factor will always be your effort. Use the knowledge of your teacher, attend revision sessions, ask when you need help. Most importantly of all, stay confident! You can do this!
Learning Checklist & Knowledge Organiser
Learning Checklist & Knowledge Organiser
4.9.1 The composition and evolution of the Earth’s atmosphere
4.9.1 The composition and evolution of the Earth’s atmosphere
Describe the composition of gases in the Earth's atmosphere using percentages, fractions or ratios
Describe how early intense volcanic activity may have helped form the early atmosphere and how the oceans formed
Explain why the levels of carbon dioxide in the atmosphere changes as the oceans were formed
State the approximate time in Earth's history when algae started producing oxygen and describe the effects of a gradually increasing oxygen level
Explain the ways that atmospheric carbon dioxide levels decreased
C9a - Chemistry of the Atmosphere - Development of the Atmosphere (All).pdfThe following content is related to this topic but will not be assessed this year.
The following content is related to this topic but will not be assessed this year.
4.9.2 Carbon dioxide and methane as greenhouse gases
OAK Academy Lesson
OAK Academy Lesson
GCSE Pods
GCSE Pods
Podcasts
Podcasts
Check and Challenge
Check and Challenge
Practice Exam Questions
Practice Exam Questions
Exam Questions Set 1:
Exam Questions Set 1:
Follow the link, (DELETE THIS WHEN DONE: Click here)
Complete the questions
Use the Mark Scheme to check your answers
If you do not understand the correct answer, and need help, ask your teacher.
If you need another set of practice questions ask Mr Whittle.
Revision Presentation with Questions
Revision Presentation with Questions
Click here to download the revision presentations.
Click here to download the revision presentations.
Revision Questions: Use these the guide your revision
Revision Questions: Use these the guide your revision
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