Sharpen your mind for the first question! What is the largest continent on Earth?

Right on! đ
Not quite.
-
What is the world's largest ocean?

Outstanding!
Hmm, I don't think so. đ
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What is the deepest known part of the Earth's oceans?

You get a gold star for that! đ
I'm afraid that wasn't it. đ
-
What is the world's longest river?

Bravo!
I'm afraid that wasn't it. đ
-
What is the Earth's largest desert?

Nice job!
Nope, sorry. đĸ
-
What is the highest mountain on Earth?

Bullseye!
Uh-oh. That was incorrect. đ
-
What is the Earth's largest active volcano?

Terrific! đĨŗ
Doh! đ¤Ŧ
-
Which layer of Earth is the thinnest and made up of two types: continental and oceanic?

Slay!
Uh-oh. That was incorrect. đ
-
What is the Earth's core primarily composed of?

That's right!
Not quite right. đĸ
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What is the Earth's approximate circumference at the equator?

Terrific! đĨŗ
Uh-oh. That was incorrect. đ
-
What percentage of the Earth's surface is covered by water?

Bullseye!
Nope, sorry. đĸ
-
What is the process of the Earth's plates shifting and moving called?

Marvelous!
Hmm, I don't think so. đ
-
What causes the Earth's seasons?

You get a gold star for that! đ
Nope, sorry. đĸ
-
In which layer of the Earth's atmosphere do most weather phenomena occur?

Sweet!
Uh-oh. That was incorrect. đ
-
Which gas is the most abundant in Earth's atmosphere by volume?

Thumbs up! đ
Having difficulty with this one?
-
Which gas is responsible for the ozone layer in Earth's atmosphere?

Way to go!
Having difficulty with this one?
-
What is the name of Earth's natural satellite?

Absolutely right! đ
Nope, sorry. đĸ
-
What planet is regarded as the Earth's twin in the solar system?

That's the way!
Having difficulty with this one?
-
What is the Earth's average distance from the Sun in miles (approximately)?

Amazing! đ
Hmm, I don't think so. đ
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In the solar system, Earth is the ___ planet from the Sun.

Woohoo! đĨŗ
I'm afraid that wasn't it. đ
-
What is the approximate value of the acceleration due to gravity on the surface of Earth?

Right on! đ
Not quite right. đĸ
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In what layer of the Earth's atmosphere do meteors burn up upon entry?

Beautiful! đ
Not quite right. đĸ
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Approximately how old is the Earth according to current scientific estimates?

That's great!
I'm afraid that wasn't it. đ
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The end is approaching! What is the name of the supercontinent that existed around 335 million years ago, before breaking apart into the continents we have today?

Nice going!
Doh! đ¤Ŧ
-
What gas was NOT present in significant amounts in Earth's early atmosphere but became abundant due to photosynthesizing organisms?

Boom! Nailed it! đ
I'm afraid that wasn't it. đ
-
Here's the final one: what geologic eon do scientists believe we are currently in?

Super!
Having difficulty with this one?
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