Sudden death: one wrong answer ends the quiz immediately.
Question 1 of 15
Which penguin species is considered the rarest in the world?
This question was counted as incorrect because no answer was selected.
Question 2 of 15
About what pH does washing soda typically have?
This question was counted as incorrect because no answer was selected.
Question 3 of 15
How many electrons are in carbon’s outer (valence) shell?
This question was counted as incorrect because no answer was selected.
Question 4 of 15
Which scientific model first introduced the idea behind electron configurations?
This question was counted as incorrect because no answer was selected.
Question 5 of 15
Which of the following is a transverse wave?
This question was counted as incorrect because no answer was selected.
Question 6 of 15
Finish the name of Mercury’s famous feature: “The Caloris _____.”
This question was counted as incorrect because no answer was selected.
Question 7 of 15
What is the atomic mass of oxygen (approximately)?
This question was counted as incorrect because no answer was selected.
Question 8 of 15
What color does the mineral beryl become when it contains chromium?
This question was counted as incorrect because no answer was selected.
Question 9 of 15
A “buckyball” is a form (allotrope) of which element?
This question was counted as incorrect because no answer was selected.
Question 10 of 15
In the acronym SONAR, the letters stand for “Sound Navigation and _____.”
This question was counted as incorrect because no answer was selected.
Question 11 of 15
What is the name of the smallest species of seal?
This question was counted as incorrect because no answer was selected.
Question 12 of 15
Ammonia is made from which two elements?
This question was counted as incorrect because no answer was selected.
Question 13 of 15
The shipwreck known as the “Russian Wreck” is found in which sea?
This question was counted as incorrect because no answer was selected.
Question 14 of 15
Roughly how long can a dolphin hold its breath underwater?
This question was counted as incorrect because no answer was selected.
Question 15 of 15
The Moon’s gravity is what fraction of Earth’s gravity?
This question was counted as incorrect because no answer was selected.
Next suggestion: Sudden-Death Trivia Challenge
General Trivia
Nobody gets a perfect 15/15.
Impossible Sudden-Death Quiz
"Which country is most closely linked with the ancient Inca Empire?"
Sudden-Death Trivia Challenge
One wrong move and you're out—answer carefully
"Which instrument has black and white keys and is often found in living rooms?"
Question 15 Is Near Impossible
Sudden End Trivia
"Which U.S. state is known as the 'Sunshine State'?"
Sudden-End Brain Teaser
Share if you actually finish all 15!
"In the famous song title, what color are Elvis Presley’s “suede shoes”?"
Try Your Hand at This Quiz!
A fun challenge for anyone 47 and up
"In the Apollo 11 mission, who was the first person to step onto the Moon?"
10 “Too Hard” Questions (But You’ve Got This)
We apologize in advance!
"In the human body, which organ pumps blood through your bloodstream?"