Here's Question 1! How many traditional senses are recognized by humans?
Stunning!
Uh-oh. That was incorrect. 😔
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How many major blood types are there in the human ABO system?
That's the way!
Not quite.
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How many chromosomes are there in a typical human cell?
The number of bones in an adult human skeleton is typically:
Bullseye!
Not quite right. 😢
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The average lifespan of a human red blood cell is about:
How many chambers are there in a human heart?
Right on the money!
Uh-oh. That was incorrect. 😔
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How many elements are on the periodic table?
Excellent!
Hmm, I don't think so. 😔
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A water molecule (H₂O) contains how many oxygen atoms?
Beautiful! 👍
Not quite right. 😢
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At what temperature do Celsius and Fahrenheit scales read the same value?
Magnificent!
That was incorrect.
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At what temperature does water boil at sea level (in Celsius)?
Fantastic! 🥳
Nope, sorry. 😢
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The density of water at room temperature is:
You're one class act!
Nope, sorry. 😢
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The speed of light in a vacuum is approximately:
Right on! 👊
Having difficulty with this one?
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Celebrate your progress! You're halfway through the quiz! The pH of pure water is approximately:
The average speed of sound in dry air at room temperature is:
A typical magnet has how many poles?
You've nailed it!
Doh! 🤬
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The electromagnetic spectrum encompasses a wide range of radiation types. How many main regions are traditionally recognized within this spectrum?
Marvelous!
Hmm, I don't think so. 😔
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The structure of the earth is divided into how many major components?
Perfect! 👊
Hmm, I don't think so. 😔
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The gravitational acceleration on Earth is approximately:
You've nailed it!
Having difficulty with this one?
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How long does it take for Earth to make one rotation on its axis?
The Earth is both spinning on its axis and orbiting the Sun at the same time. How long does it take for Earth to orbit the Sun?
Absolutely right! 👍
Nope, sorry. 😢
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Earth is estimated to be approximately how many years old?
Absolutely right! 👍
Nope, sorry. 😢
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Keep up the momentum! Scientists estimate the universe to be approximately how many years old?
Great!
That was incorrect.
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You're almost done! Excluding dwarf planets, how many planets are currently recognized in our solar system?
You've got it! 🥳
I'm afraid that wasn't it. 😔
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And last but not least, approximately how many years ago did the dinosaurs become extinct?
Thumbs up! 👍
Nope, sorry. 😢
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