CAIE IGCSE Chemistry: How Greenhouse Gases Cause Warming Question Bank
Practise explaining how carbon dioxide and methane absorb and re-emit thermal energy, reducing heat loss from Earth to space.
- Syllabus
- 2026–2028
- Course
- Chemistry 0620
Exam points
- explain that CO2 and methane absorb thermal energy emitted from the Earth's surface
- describe re-emission of thermal energy back towards Earth, reducing loss to space
10.3.7—Greenhouse gases carbon dioxide and question 1
[Maximum number: 1]
How do carbon dioxide and methane cause global warming?
A
They emit the thermal energy they have absorbed back to the Earth.
B
They absorb the radiation directly from the Sun.
C
They increase thermal energy loss to space.
D
They reduce reflection of thermal energy from the Earth's surface.
A
All question bank results loaded