The early atmosphere and today’s atmosphere (AQA GCSE Chemistry Combined Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
ShowHide
Practise the questions
12 questions from this quiz
How long has Earth's atmosphere been stable?
How long has Earth's atmosphere been stable?
200 million years
What percentage of Earth's current atmosphere is nitrogen?
What percentage of Earth's current atmosphere is nitrogen?
78%
What percentage of Earth's current atmosphere is oxygen?
What percentage of Earth's current atmosphere is oxygen?
21%
Which gases make up the remaining 1% of today's atmosphere?
Which gases make up the remaining 1% of today's atmosphere?
, vapour, noble gases
When did Earth's early atmosphere first develop?
When did Earth's early atmosphere first develop?
4.6 billion years ago
What was the main gas in Earth's early atmosphere?
What was the main 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 or none
What released the gases that formed Earth's early atmosphere?
What released the gases that formed Earth's early atmosphere?
Volcanic activity
What happened to water vapour as Earth cooled?
What happened to water vapour as Earth cooled?
It condensed to form oceans
What happened to in the newly formed oceans?
What happened to in the newly formed oceans?
It dissolved and formed carbonates
What percentage of Venus's atmosphere is carbon dioxide?
What percentage of Venus's atmosphere is carbon dioxide?
96.5%
Why is evidence about Earth's early atmosphere limited?
Why is evidence about Earth's early atmosphere limited?
It was 4.6 billion years ago
