Earth's Early Atmosphere (OCR GCSE Chemistry A (Gateway Science Suite)): Quizzes
📚Quizzes
Practise the questions
11 questions from this quiz
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Practise the questions
11 questions from this quiz
For how long has the modern atmosphere been stable?
For how long has the modern atmosphere been stable?
200 million years
What did Earth's early atmosphere likely resemble during the first billion years?
What did Earth's early atmosphere likely resemble during the first billion years?
Venus or Mars today
What was the primary gas in Earth's early atmosphere?
What was the primary gas in Earth's early atmosphere?
Carbon dioxide
How much oxygen was in Earth's early atmosphere?
How much oxygen was in Earth's early atmosphere?
Very little to none
What released large amounts of gases into Earth's early atmosphere?
What released large amounts of gases into Earth's early atmosphere?
Volcanoes
Which gas was present in Earth's early atmosphere?
Which gas was present in Earth's early atmosphere?
Water vapour ()
Which two gases were present in the early atmosphere?
Which two gases were present in the early atmosphere?
Methane and ammonia
How did nitrogen build up in Earth's atmosphere?
How did nitrogen build up in Earth's atmosphere?
Released by volcanoes, built up gradually
Over what timeframe did the Earth cool?
Over what timeframe did the Earth cool?
Millions of years
What happened to water vapour as the Earth cooled?
What happened to water vapour as the Earth cooled?
It condensed
What formed from the condensing water vapour?
What formed from the condensing water vapour?
Oceans and seas