The Earth, the most extraordinary planet we know about, full of life and change. This world is alive, and our whole history is written into its very ground. How much do you know about the home that carries us through space?
1 of 12
According to scientists, how old is our planet?
4.5 billion years
400 million years
13.7 billion years
800 million years
2 of 12
True or False: The shape of the Earth is a perfect sphere.
It is actually more of a oblate spheroid.
True
False
3 of 12
The speed of 67,000 mph (107,826 kph) represents the speed of what?
Earth's rotation around its axis
Earth's movement through the galaxy
Earth's orbit around the sun
4 of 12
Where is the lowest point of the planet that's on land?
The dead sea is 413 meters below sea level,
The Dead Sea, Israel
The Fens, UK
Caspian Sea
Sea of Galilee, Israel
5 of 12
Besides trees, where does most of our breathable oxygen come from?
Oceanic phytoplankton
Grass
Bushes
Lightning Storms
6 of 12
How much of the worldโs oxygen is produced by just the Amazon rainforest?
Which land-based ecosystem holds the most biodiversity of animals and plants?
They are home to about 50% of all living species!
Tropical forests
African Savannah
Coral reefs
Swamp land
Shall We Try Again?
Seems like you need to learn a little more about this planet we call home. Perhaps you'd like to try your hand again... READ MORESeems like you need to learn a little more about this planet we call home. Perhaps you'd like to try your hand again and take the quiz a second time? If not, look at our answers to learn from them.
You know a LOT about the Earth! You may not have completely aced this quiz, but there is only a little room for... READ MOREYou know a LOT about the Earth! You may not have completely aced this quiz, but there is only a little room for improvement. Perhaps you'd like to try your hand again and take the quiz a second time? If not, look at our answers to learn from them.
The Earth is your oyster! You know very well what kind of planet you live on, how it's structured and a plethora of... READ MOREThe Earth is your oyster! You know very well what kind of planet you live on, how it's structured and a plethora of details about it! We're very impressed with your knowledge of our planet. Keep it up!
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6/24/2021
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