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Earth Quiz
Test your knowledge about the planet Earth and its natural wonders.
What is the capital of Australia?
Melbourne
Canberra
Sydney
Brisbane
Which layer of the Earth's atmosphere contains the ozone layer?
Mesosphere
Stratosphere
Troposphere
What is the average depth of the world's oceans?
4,500 meters
2,500 meters
3,500 meters
5,500 meters
What is the diameter of the Earth?
10,000 km
15,000 km
12,742 km
What percentage of the Earth's surface is covered by water?
50%
90%
70%
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