AQA GCSE Chemistry

Topic Questions

9.2 CO2 & CH4 as Greenhouse Gases

11 mark

The greenhouse effect allows the Earth to stay warm enough to support life. 

Which explanation correctly describes a part of the greenhouse effect?

  • Shorter wavelength radiation enters the atmosphere from the sun and is re-emitted back by the Earth as longer wavelength radiation

  • Longer wavelength radiation is absorbed by greenhouse gases as it enters the atmosphere 

  • Longer wavelength radiation enters the atmosphere from the sun and is re-emitted back by the Earth as shorter wavelength radiation

  • All wavelengths of radiation are reflected back by the Earth and absorbed by greenhouse gases 

Did this page help you?

2
Sme Calculator
1 mark

Global climate change has serious consequences on the environment. 

Which of the following shows an incorrect effect of global climate change?

  Effect 1  Effect 2
A sea levels rising storms
B coastal erosion global dimming
C flooding ice caps melting
D destruction of habitats  droughts 

Did this page help you?

31 mark

There are certain measures that can be taken to reduce a carbon footprint. 

One of these is called carbon capture. 

Which statement best describes carbon capture? 

  • Using wind turbines instead of fossil fuels as an energy source

  • Charging companies or individuals based on the amounts of greenhouse gases they emit 

  • Storing carbon dioxide underground that has been released from burning fossil fuels 

  • Reduce the amount of waste sent to landfill 

Did this page help you?

41 mark

Human activities are contributing to the increase of greenhouse gases in the atmosphere. 

Which two human activities contribute to the release of methane?

  • Deforestation and farming

  • Burning fossil fuels and deforestation 

  • Farming and sending rubbish to landfill

  • Sending rubbish to landfill and deforestation

Did this page help you?

5
Sme Calculator
1 mark

Burning fuels, such as petrol in cars, contributes large amounts of carbon dioxide to the atmosphere. 

What could be done to reduce this cause of pollution?

  • Lower the price of car tax 

  • Use electric cars

  • Reduce car insurance costs 

  • Build more roads

Did this page help you?