Do you know how the greenhouse gas mechanism works?
The Atmosphere and Climate Change Quiz
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Use some of the following words to fill in the blanks.
Earthquakes, volcanism, condensed, rivers, oceans, photosynthesis
- The development of the early atmosphere was mainly from which released gases from inside the Earth.
- The formation of the oceans happened when water vapour in the atmosphere as the Earth cooled.
- A decrease in CO₂ in the atmosphere occurred as CO₂ dissolved into .
- An increase in O₂ in the atmosphere occurred when organisms started the process of
Drag and drop to match the gas to the correct proportion of the current atmosphere of Earth
- Other gases
Which of the following examples matches the composition of Earth’s early atmosphere?CorrectIncorrect
Correct 2 / 2 PointsIncorrect / 2 Points
On early Earth, there was a lot of activity as the planet was cooling down. We can link this to the formation of the atmosphere by measuring the gases released by and comparing them to the composition of the atmosphere over time
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What is the evidence supporting the idea that there was very little oxygen in Earth’s early atmosphere?CorrectIncorrect
Which of the following is the chemical test for oxygen?CorrectIncorrect
Use some of the following words to fill in the blanks:
Oxygen, carbon dioxide, methane, water vapour, ultraviolet, infrared, radio
Correct 4 / 4 PointsIncorrect / 4 Points
Energy from the sun in the form of visible waves hits the Earth’s surface and waves are emitted back towards the atmosphere.
Greenhouse gases such as , and absorb infrared radiation from the Earth and re-emit it back to the Earth’s surface, causing warming.
Use some of the following words:
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Fossil, ice, correlation, human, thousands, methane
activity is contributing to climate change.
Evidence 1: Burning fossil fuels and livestock farming produce carbon dioxide and .
Evidence 2: between increases in atmospheric temperatures and historical releases of greenhouse gases, due to the combustion of fuels.
Evidence 3: cores trap atmospheric gases when snow falls producing layers over time. We can extract these cores and determine the amount of carbon dioxide in the atmosphere over of years.
Why do historical measurements by humans of global temperature have some uncertainty?CorrectIncorrect
Which of the following are effects of climate change?CorrectIncorrect
Which steps can we take to reduce the impact of climate change on humanity or prevent further climate change?CorrectIncorrect
Why may our attempts to mitigate the effects of climate change cause further damage to the environment?CorrectIncorrect
How did the Atmosphere of Early Earth Form?
As the Earth and the other planets of the solar system formed from the remaining gas and dust that surrounded the sun, the composition of the planets were determined. This composition is directly related to the relative abundances of elements in the gas and dust which formed the solar system.
Over time the inner planets formed rocky surfaces from this material and during the Late Heavy Bombardment, lots of meteorites were delivered to Earth which may have supplied many other elements and compounds we see in our atmosphere and Earth’s interior today.
As the Earth was very hot from the radioactive decay of isotopes and unstable geological conditions (also perhaps meteorite activity) contributed to a high amount of volcanic activity on Earth. This volcanic activity released vast amounts of carbon dioxide among other gases which were stored inside the molten rock.
Oxygen began to fill the atmosphere when early organisms such as cyanobacteria and then plants performed photosynthesis, breaking down water into oxygen.
The oceans formed when the Earth began to cool down and water vapour condensed into clouds. In fact, it may have rained continuously for centuries.