AQA GCSE 9-1 Chemistry Unit 9 Atmosphere 4.9.1 + 4.9.2 + 4.9.3 pollution, greenhouse ,climate

4.9 Chemistry of the atmosphere
4.9.1 The composition and evolution of the Earth’s atmosphere
4.9.1.1 The proportions of different gases in the atmosphere
4.9.1.2 The Earth’s early atmosphere
4.9.1.3 How oxygen increased
4.9.1.4 How carbon dioxide decreased
4.9.2 Carbon dioxide and methane as greenhouse gases
4.9.2.1 Greenhouse gases
4.9.2.2 Human activities which contribute to an increase in greenhouse gases in the
atmosphere
4.9.2.3 Global climate change
4.9.2.4 The carbon footprint and its reduction
4.9.3 Common atmospheric pollutants and their sources
4.9.3.1 Atmospheric pollutants from fuels
4.9.3.2 Properties and effects of atmospheric pollutants

Lesson 1: Early atmosphere
Objectives:
To interpret the evidence available for the composition of the Earth’s early atmosphere
To be able to describe the Earths’ early atmosphere
To explain how oceans formed

Lesson 2: Changing atmosphere
Objectives:
To explain how the amount of carbon dioxide in the atmosphere was decreased
To be able to how life evolved
To consolidate with questions

Lesson 3: Today’s atmosphere
Objectives:
To know the compositions of the gases in the atmosphere
To complete practical’s to investigate this
To consolidate with questions

Lesson 4: Greenhouse gases
Objectives:
To know the names of the greenhouse gases
To be able to describe how the greenhouse effect is caused
To consolidate with questions

Lesson 5: Enhanced greenhouse effect
Objectives:
To understand the enhanced greenhouse effect
To be able to interpret graphs that show climate change
To consolidate learning with questions

Lesson 6: CLimate change
Objectives:
To understand what human activities may influence the climate
To be able to explain the problems that climate change may cause
To consolidate learning with questions

Lesson 7: Carbon footprint
Objectives:
To understand the term carbon footprint
To explain how to reduce the personal carbon footprint
To explain how the government intend to reduce the carbon footprint

Lesson 8: Combustion
Objectives:
To explain what happens during complete combustion of a hydrocarbon
To explain what happens during incomplete combustion of a hydrocarbon
To consolidate learning with questions

Lesson 9 + 10: Combustion practicals
Objectives:
To watch a series of demonstrations
To answer questions based on the practicals
To consolidate learning with questions

Lesson 11: Pollutants
Objectives:
To explain why hydrocarbon fuels release sulfur dioxide when they are used
To describe the problems caused by acid rain
To be able to explain why oxides of nitrogen are produced by engines