How Well Do You Know Our Planet?

 Earth. In this little pale blue dot, as Carl Sagan once said, are all histories written, all battles fought, all lovers kiss and all families love. It is our home, our cradle and protector. How well do you know the planet that gave rise to our species and way of life? Take our trivia test and test your knowledge of our planet. You have 6 minutes to answer all questions!
man looking at earth model
How old do scientists think the earth is?
Scientists, using carbon dating, believe the Earth is at least 4.53 billion years.
4.53 billion years
1.89 Billion years
546 Million years
10 thousand years
dark mining tunnel
Which is the most abundant metal in the earth's crust?
Aluminium, surprisingly, is the most abundant metal in the earth's crust.
What is the most abundant element in the earth's atmosphere?
The air we breathe is actually only 21% oxygen, and mostly made of Nitrogen.
Carbon Dioxide
Which is the largest ocean in the world?
The Pacific ocean is easily the largest body of water in the world
Atlantic Ocean
Pacific Ocean
Indian Ocean
mountain 3 peaks
Mount Everest is the Tallest Mountain on Earth
Mauna Kea, which starts below the water level, is the tallest mountain in the world, a dormant volcano on the island of Hawaii
earth and sun
How far is the earth from the sun?
Light from the sun takes 8 minutes to get to the Earth, and since light travels at 300,000 km per second, that means we are about 150 million km from the sun (93 million miles)
150 million km (93 million miles)
120 million km (74 million miles)
384 million km (238 million miles)
80 million km (50 million miles)
saltwater and fish
What % of the world's water is saltwater?
Almost all water in the world is the saltwater in the oceans, over 97% of water in the world.
Desert sand
Outside of Antarctica, what is the largest desert in the world?
The Sahara Desert is 9,200,000 square kilometres (3,600,000 sq)
Sahara Desert
Patagonian Desert
Gobi Desert
Arabian Desert
planets of solar system
The Earth is the ______ planet from the Sun.
The Earth is the 3rd planet from the sun, after Mercury and Venus.
earth core
Earth's inner core is solid.
The core of the earth is mostly melted, incredibly hot magma.
old couple going down stairs
What is the lowest point - on land - in the world?
The Dead Sea lies 423 meters (1388 feet) below sea level!
The Dead Sea, Israel
Death Valley, California
New Orleans, Louisiana
Caspian Sea, Azerbaijan
Earth model
What is the circumference of the Earth?
The Earth's circumference is 40,000 km (24,800 miles)
40,000 km (24,800 miles)
68,000 km (42,000 miles)
120,000 km (74,000 miles)
27,000 km (17,000 miles)
try again
You Need Some Brush-Up!
The Earth is the home of us all, and so maybe you should take a bit of time to get to know it a bit better. It's always good to appreciate where we come from and where we exist! Why don't you go over your mistakes below and see what the correct answers were.
earth on face
You Have Some Great Knowledge!
The Earth is no great mystery to you. You know quite a bit about the beautiful green, white and blue planet we were all born on. Your knowledge isn't perfect (we suggest you check your mistakes below) but it's way above average. Good job!
You're an Earth Expert!
You really know your planet! You got all (or almost all) of the questions right, which means you have a great store of information at your disposal, especially when it comes to the home we all share, the beautiful planet Earth. We bow to your superior knowledge!
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