80 The Greenhouse Effect Trivia Questions with Answers
80 public questions with answers, drawn from the well. How many can you answer?
This greenhouse effect trivia hub examines the science of how Earth’s atmosphere absorbs and re-emits infrared radiation. Its questions span greenhouse gases, molecular formulas, radiative forcing, climate models, atmospheric measurements, and the history of climate science.
Expect questions about methane’s formula, the number of oxygen atoms in carbon dioxide, the engineer who connected fossil-fuel emissions with warming in 1938, and the CO2 threshold first crossed at Mauna Loa in 2013. The collection works well for science classrooms, environmental studies, pub quizzes, and general-knowledge game nights.
Which Italian scientist is credited with discovering methane in 1776?
Answer
Alessandro Volta
Which British engineer linked fossil-fuel CO2 to warming in a 1938 paper?
Answer
Guy Stewart Callendar
Which unit is used for radiative forcing in climate science?
Answer
Watts per square metre
Which scientific law relates blackbody radiation wavelength to temperature?
Answer
Wien's displacement law
Which scientist is the namesake of the Keeling Curve?
Answer
Charles David Keeling
What unit is commonly used for atmospheric CO2 concentration in the Keeling Curve?
Answer
Parts per million
What term describes heat-trapping gases such as methane, CO2, and water vapor?
Answer
Greenhouse gas
Which Swedish scientist calculated that doubling CO2 could raise Earth’s temperature?
Answer
Svante Arrhenius
Which layer above the troposphere contains most atmospheric ozone?
Answer
Stratosphere
Which greenhouse gas is also called laughing gas?
Answer
Nitrous oxide
Which law says a black body's emitted power is proportional to temperature to the fourth power?
Answer
Stefan-Boltzmann law
What is the 8-14 micrometre infrared band of high atmospheric transmission called?
Answer
atmospheric window
Which potent greenhouse gas is used to insulate some electrical switchgear?
Answer
sulfur hexafluoride
What atmospheric process widens gas absorption lines under higher pressure?
Answer
pressure broadening
Earth's surface emits most of its thermal energy as what kind of radiation?
Answer
longwave radiation
Which French physicist strengthened Fourier's greenhouse-effect argument in 1827 and 1838?
Answer
Claude Pouillet
Which American scientist showed in 1856 that carbon dioxide warmed more in sunlight?
Answer
Eunice Newton Foote
Which positive feedback occurs when warming increases atmospheric water vapor?
Answer
water vapor feedback
What metric compares a greenhouse gas's warming effect with carbon dioxide?
Answer
global warming potential
Which reference gas has a global warming potential of 1 by definition?
Answer
carbon dioxide
Greenhouse gases absorb and emit energy mainly in which part of the spectrum?
Answer
thermal infrared
Which industrial process is a major anthropogenic source of perfluorocarbon (PFC) emissions?
Answer
Aluminum smelting
Which gas is the primary greenhouse gas in the atmosphere of Mars?
Answer
Carbon dioxide
What is the most abundant natural greenhouse gas in Earth's atmosphere?
Answer
Water vapor
Which French mathematician first described the greenhouse effect in 1824?
Answer
Joseph Fourier
Which Antarctic ice core provided the first long-term record of atmospheric CO2?
Answer
Vostok ice core
The Greenhouse Effect trivia — quick answers
What are good greenhouse effect trivia questions?
Useful questions can ask which gases contribute to the greenhouse effect, what methane and carbon dioxide are made of, what radiative forcing measures, how Mauna Loa records atmospheric CO2, and what coupled atmosphere-ocean climate models simulate.
How hard is greenhouse effect trivia?
The set covers several difficulty levels. Introductory questions focus on chemical formulas and basic atmospheric science, while harder questions involve climate-model acronyms, historical discoveries, measurement milestones, radiative forcing units, and the development of modern climate theory.
What is the greenhouse effect?
The greenhouse effect is the natural process by which gases in an atmosphere absorb some outgoing infrared radiation and re-emit it, warming the surface and lower atmosphere. Human activities increase concentrations of several greenhouse gases, strengthening this heat-trapping effect and contributing to current global warming.
What is the chemical formula for methane?
Methane has the chemical formula CH₄. Each molecule contains one carbon atom bonded to four hydrogen atoms. It is a greenhouse gas because it absorbs infrared radiation at particular wavelengths. Methane occurs naturally and is also released through activities including fossil-fuel production, agriculture, and waste management.
What is radiative forcing measured in?
Radiative forcing is measured in watts per square metre, written W/m². It describes a change in the balance between incoming energy from the Sun and outgoing energy from Earth’s climate system. Positive forcing generally produces warming, while negative forcing generally produces cooling, all else being equal.