Formation of Earth's Atmosphere (AQA GCSE Chemistry): Quizzes
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Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
How long has Earth's atmosphere remained fairly stable?
How long has Earth's atmosphere remained fairly stable?
About 200 million years
What percentage of today's atmosphere is nitrogen?
What percentage of today's atmosphere is nitrogen?
About 78%
What percentage of today's atmosphere is oxygen?
What percentage of today's atmosphere is oxygen?
About 21%
When did Earth first develop an atmosphere?
When did Earth first develop an atmosphere?
About 4.6 billion years ago
What gas was Earth's early atmosphere mainly composed of?
What gas was Earth's early atmosphere mainly composed of?
Carbon dioxide
Which gases did volcanoes release during Earth's first billion years?
Which gases did volcanoes release during Earth's first billion years?
, , ,
How did Earth's oceans form?
How did Earth's oceans form?
Water vapour condensed as Earth cooled
What happened to carbon dioxide when it dissolved in the oceans?
What happened to carbon dioxide when it dissolved in the oceans?
It formed carbonates as sediment
How did carbon dioxide levels change from early Earth to today?
How did carbon dioxide levels change from early Earth to today?
From main gas to less than 1%
What percentage of carbon dioxide is in Mars' atmosphere?
What percentage of carbon dioxide is in Mars' atmosphere?
About 95%
What key factor made Earth's atmosphere different from Mars and Venus?
What key factor made Earth's atmosphere different from Mars and Venus?
Earth's ability to form oceans
What gases make up the remaining 1% of today's atmosphere?
What gases make up the remaining 1% of today's atmosphere?
Carbon dioxide and noble gases