10 Questions
Approximately how old is planet Earth?
4.54 billion years old
What does 'Ma' mean in the graphic?
Mega annum
What is the main cause of the Earth being molten in its earliest stage?
Frequent collisions with other bodies
What contributed to the understanding of Earth's past?
All of the above
What did the early atmosphere contain?
Almost no oxygen
Which branch of science has contributed the most to understanding the main events of Earth's past?
Geology
When did Earth form in relation to the age of the universe?
One-third the age
What process is believed to have created the primordial atmosphere and the ocean?
Volcanic outgassing
What was the oxygen content of the early atmosphere?
Almost none
What is the geological time scale (GTS) used for?
To depict the large spans of time in Earth's history
Test your knowledge of Earth's history and geological changes with this quiz! From the formation of the planet to biological evolution, explore the fascinating events that shaped our world. Challenge yourself with questions based on the geological time scale and uncover the secrets of Earth's past.
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