What scale is used to measure the hardness of minerals?
Answer
The Mohs scale
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Latest trivia questions
Roughly how old is the Earth?
Answer
4.5 billion years
What is the largest tropical rainforest on Earth?
Answer
The Amazon
What is the largest coral reef system on Earth?
Answer
The Great Barrier Reef
What is the innermost layer of the Earth called?
Answer
The inner core
Approximately what percentage of Earth's surface is covered by water?
Answer
71 percent
What is the deepest ocean trench on Earth?
Answer
Mariana Trench
Which continent is located at the Earth's South Pole?
Answer
Antarctica
What is the largest hot desert on Earth?
Answer
The Sahara