B3.4.2 Deforestation and the destruction of areas of peat GCSE items that can be used to define successful outcomes for peer and self assessment activities    

Using Exam pro items to support successful outcomes B3.4.2 Deforestation and the destruction of areas of peat Using Exam pro items to support successful outcomes Learners will be able to test their progress against learning outcomes using questions taken from past AQA GCSE examinations. Version 2.0 Copyright © AQA and its licensors. All rights reserved.

The picture shows a forest being cleared so that rice can Exampro QA05SF.02 The picture shows a forest being cleared so that rice can be grown. The trees are chopped down and then burned. (a) Complete the sentences by using the correct words from the box acid rain carbon dioxide the greenhouse effect methane sulphur dioxide Burning trees give off the gas ............................................................................ . The rice crop will increase the amount of the gas .................................. in the atmosphere. These two gases help to cause ………………………………………………………..(3) (b) Burning fossil fuels also causes pollution. Name one fossil fuel..................................................................................................(1) (Total 4 marks) rsion 2.0 Copyright © AQA and its licensors. All rights reserved.

(a) carbon dioxide 1 Methane 1 greenhouse effect 1 (b) coal / oil / gas / peat / petrol / paraffin 1 [4] Version 2.0 Copyright © AQA and its licensors. All rights reserved.

(a) The world-wide use of fossil fuels has increased rapidly during this century. (i) Give two reasons for the increase in the amount of fossil fuels used. 1 ........................................................................................................................ 2 ........................................................................................................................ (2) (ii) Give two effects on the environment of this increase in the amount of fossil fuels used. 2 ………………………………………………………………………………………………………….. (2) (b) Describe and explain the long term effects of large-scale deforestation on the Earth’s atmosphere. ..................................................................................................................................... ……………………………………………………………………………………………………………………... (4) (Total 8 marks) Version 2.0 Copyright © AQA and its licensors. All rights reserved.

increase in population increase in living standards example (a) (i) 2 of: increase in population increase in living standards example any 2 for 1 mark each 2 (ii) pollution effects OWTTE destruction of habitats by extraction methods gains 2 marks (allow 2 pollution effects) (b) 4 of e.g. trees can no longer photosynthesise removing carbon dioxide from atmosphere and ‘locking it away’ long term increased carbon dioxide concentration leads to more absorption of reflected energy atmosphere therefore warms any 4 for 1 mark each 4 [8] Version 2.0 Copyright © AQA and its licensors. All rights reserved.