IB Physics SL B.2.7 Greenhouse Gases

Practise identifying greenhouse gases and distinguishing natural from human-enhanced sources while connecting concentration changes to atmospheric composition and warming trends.

Syllabus
First assessment 2025
Objective
—
Level
SL

Exam points

  • identify CO₂, CH₄, H₂O and N₂O as greenhouse gases while rejecting O₂ or N₂
  • link deforestation, fossil-fuel use, agriculture or waste to changes in greenhouse-gas concentration
  • distinguish the natural greenhouse effect from enhanced forcing caused by additional emissions

B.2.7—Greenhouse gases question 1

[Maximum number: 1]

This question is in two parts. Part 1 is about Newton's laws and momentum. Part 2 is about the greenhouse effect.

Part 1 Newton's laws and momentum

Nuclear fuels, unlike fossil fuels, produce no greenhouse gases.

Identify two greenhouse gases.

1.

2.

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