IB ESS SL 6.1.4 Greenhouse Effect Questions
Practise IB ESS SL 006.001.004 by applying greenhouse effect concepts to environmental systems questions.
- Syllabus
- First assessment 2026
- Course
- ESS SL
- Level
- SL
Exam points
- identify the greenhouse effect and the role of CO2 emissions in the Earth system
- explain how the atmosphere and greenhouse effect help maintain life-supporting temperatures at Earth’s surface
- outline how the greenhouse effect regulates Earth’s temperature and how increased CO2 emissions may alter global climate
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IB ESS SL 6.1.4 Greenhouse Effect Questions question 1
[Maximum number: 4]
Outline the role of the greenhouse effect in regulating the temperature on Earth.
the principal greenhouse gases are carbon dioxide/ CO2, methane/ CH4, water vapour, nitrous oxide/ N2O;
(no credit for anthropogenic GHGs, like tropospheric ozone, CFCs, HFCs)
b. ...and are found in the troposphere;
c. sun light (visible/short wavelengths) pass through GHGs/reach the Earth and warm its surface;
d. fwarm Earth surface is re-radiating energy outward as infra-red radiation/heat;
(no credit for "reflection" of light/heat)
e. GHGs are opaque to/absorb outgoing IR/long wavelength radiation;
f. much of the heat energy is therefore retained/raising the average temperature of the Earth surface (to 15∘C );
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