Learning objective
6.1.1—Atmosphere boundary
• Between Earth and space • Outer limit of biosphere • Composition and processes support life
- 0%
- Mastery
- 0
- Attempts
- 0
- Mistakes
Start with the concept explanation, then practise to create mastery evidence.
Course review
6.1 Introduction to the atmosphere
Review each learning objective in this topic, then open its concept explanation or question set.
4 Learning objectives0 Mastered0% Topic mastery0 Attempts
New
Learning objective
6.1.2—Atmospheric circulation
• Differential heating creates tricellular model • Redistributes heat from equator to poles
- 0%
- Mastery
- 0
- Attempts
- 0
- Mistakes
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
6.1.3—Greenhouse gases and aerosols
• Absorb and re-emit infrared radiation • GHGs: water vapour, CO₂, methane, nitrous oxides • Aerosols: black carbon
- 0%
- Mastery
- 0
- Attempts
- 0
- Mistakes
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
6.1.4—Greenhouse effect
• Keeps Earth warmer than otherwise • Natural process enabling life • Enhanced greenhouse effect: human GHG accumulation → global warming • Climate change: broader range of resulting changes
- 0%
- Mastery
- 0
- Attempts
- 0
- Mistakes
Start with the concept explanation, then practise to create mastery evidence.