Learning objective
B.2.1—Conservation of energy
• Conservation of energy.
- 0%
- Mastery
- 0
- Attempts
- 0
- Mistakes
Start with the concept explanation, then practise to create mastery evidence.
Course review
B.2 Greenhouse effect
Review each learning objective in this topic, then open its concept explanation or question set.
10 Learning objectives0 Mastered0% Topic mastery0 Attempts
New
Learning objective
B.2.2—Emissivity
• Emissivity compares surface radiation per unit area with a black body: ε = power/(σT^4).
- 0%
- Mastery
- 0
- Attempts
- 0
- Mistakes
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
B.2.3—Albedo
• Albedo = total scattered power / total incident power.
- 0%
- Mastery
- 0
- Attempts
- 0
- Mistakes
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
B.2.4—Earth’s albedo variation
• Earth’s albedo varies daily with cloud formation and latitude.
- 0%
- Mastery
- 0
- Attempts
- 0
- Mistakes
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
B.2.5—Solar constant S
• Solar constant S.
- 0%
- Mastery
- 0
- Attempts
- 0
- Mistakes
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
B.2.6—Mean solar intensity
• Mean incoming solar intensity is S/4 due to planetary geometry.
- 0%
- Mastery
- 0
- Attempts
- 0
- Mistakes
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
B.2.7—Greenhouse gases
• Main greenhouse gases: CH4, H2O, CO2 and N2O from natural and human sources. • Greenhouse gases have both natural and human-created origins.
- 0%
- Mastery
- 0
- Attempts
- 0
- Mistakes
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
B.2.8—Infrared absorption
• Greenhouse gases absorb IR via molecular energy levels. • Radiation is re-emitted in all directions.
- 0%
- Mastery
- 0
- Attempts
- 0
- Mistakes
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
B.2.9—Greenhouse models
• Explain greenhouse effect using resonance and molecular energy-level models.
- 0%
- Mastery
- 0
- Attempts
- 0
- Mistakes
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
B.2.10—Enhanced greenhouse effect
• Enhanced greenhouse effect = augmentation due to human activity.
- 0%
- Mastery
- 0
- Attempts
- 0
- Mistakes
Start with the concept explanation, then practise to create mastery evidence.