8. Human influences

7.1 Carbon cycle

  • Describe what is meant by the carbon cycle

  • Define key terms - Photosynthesis, Respiration, Combustion, Consumption, Decomposition

  • Describe how huw many activities affect the carbon cycle


The carbon cycle 1

Carbon cycle 2

7.2 Pollution

  • Define the term pollution

  • Identify types of pollution; land, water, air.

  • Match the sources of pollution to the types of pollutants

  • Use data from river invertebrates/lichen to compare pollution at different sites.

  • Explain the impact of pollution on biodiversity

Pollution 2

Pollution 1

National Geo: Pollution

Lichen and pollution

Aquatic invertebrates and water quality

7.3 Acid rain

  • Describe how acid rains forms

  • State what gases cause acid rain and the types of acids that are produced

  • Outline the impacts of acid rain


Acid rain causes and impacts

7.4 The green house effect

  • State the 4 main greenhouse gasses

  • Annotate a diagram of the greenhouse effect

  • Explain the term enhanced greenhouse effect

  • Suggest ways to reduce the greenhouse effect

NASA: Greenhouse effect

Global warming and the greenhouse effect

7.5 Climate change

  • Describe the causes of climate change

  • Describe the impacts climate change will have

  • Interpret graphs related to climate change

What is climate change?

Causes and effects of climate change

How to save the planet

7.6 Eutrophication

  • State how eutrophication can occur

  • Describe the stages of eutrophication

  • Use a card sort to sequence the stages of eutrophication

  • Explain how the overuse of fertilsers can affect biodiversity



7.7 Habitat destruction

  • Describe the causes of habitat destruction

  • Explain the impacts of deforestation

  • Evaluate why deforestation still occurs




7.8 Conservation

  • Describe the terms sustainable development

  • Describe how a forestry company could become sustainable developed

  • Explain the need for conservation

  • Describe different types of conservation methods

  • Evaluate the ethics of zoos