Things That Are Bigger Than You Think
About this daily · 10 questions & answers
Things That Are Bigger Than You Think — Daily trivia Tuesday, April 21, 2026: questions and answers
All 10 questions with answers and explanations. Play this daily
Q 01Approximately what percentage of an iceberg's mass is typically submerged?
- A90%
- B30%
- C50%
- D10%
Show answer
90%
Because of the density difference between ice and water, about 90% of an iceberg's mass is hidden below the surface, making the visible portion only a small fraction of its true size. Hence the phrase 'the tip of the iceberg'.
Q 02Jupiter's famous Great Red Spot is a persistent storm. How does its size compare to our home planet?
- AIt is smaller than Earth.
- BIts size fluctuates greatly, sometimes smaller, sometimes larger than Earth.
- CIt is roughly the same size as Earth.
- DIt is larger than Earth.
Show answer
It is larger than Earth.
Jupiter's Great Red Spot is a massive storm that has been shrinking, but it is still larger than Earth, measuring about 1.3 times the diameter of Earth as of 2017.
Q 03Which organ of a blue whale, weighing around 400 pounds, is the largest of its kind known in any animal?
- ALung
- BStomach
- CHeart
- DBrain
Show answer
Heart
A stranded North Atlantic blue whale's heart weighed 180 kg (400 lb), the heaviest ever recorded, yet its heart rate can drop to just two beats per minute on deep dives.
Q 04Which of these holds the record for being the largest living single-stem specimen by volume on Earth?
- AGeneral Sherman Tree (Giant Sequoia)
- BHyperion (Coast Redwood)
- CPando (Quaking Aspen)
- DMethuselah (Bristlecone Pine)
Show answer
General Sherman Tree (Giant Sequoia)
The General Sherman Tree, a Giant Sequoia located in California's Sequoia National Park, is recognized as the largest living single-stem tree on Earth by volume.
Q 05Approximately how many stone blocks were used to build the Great Pyramid of Giza?
- A2.3 million
- B1.2 million
- C500,000
- D4.5 million
Show answer
2.3 million
The Great Pyramid of Giza was built using an estimated 2.3 million large stone blocks, with a total weight of about 6 million tonnes.
Q 06How many red blood cells does an average adult human body contain?
- ABillions
- BTrillions
- CQuadrillions
- DHundreds of billions
Show answer
Trillions
The average adult human body contains an astonishing number of red blood cells, estimated to be between 20 to 30 trillion.
Q 07Africa's true area is roughly what multiple of Greenland's, despite the Mercator projection?
- A2 times
- B5 times
- C14 times
- D9 times
Show answer
14 times
Due to the distortions of the Mercator projection, Greenland appears much larger than it truly is. Africa is approximately 14 times larger than Greenland in actual land area.
Q 08Which ocean's surface area is larger than all of Earth's landmasses combined?
- AAtlantic Ocean
- BPacific Ocean
- CIndian Ocean
- DArctic Ocean
Show answer
Pacific Ocean
The Pacific Ocean is the largest and deepest ocean on Earth, covering approximately one-third of the planet's surface and having a surface area greater than all Earth's landmasses combined.
Q 09The length of Mars's Valles Marineris canyon system is comparable to which terrestrial landmark or region?
- AThe width of the United States
- BThe Grand Canyon (USA)
- CThe continent of Australia
- DThe entire length of the Nile River
Show answer
The width of the United States
Valles Marineris is a colossal canyon system on Mars, stretching approximately 4,000 kilometers (2,500 miles), which is roughly the width of the contiguous United States.
Q 10What is the largest single living organism by area, spanning 3.5 square miles of Oregon's Malheur National Forest?
- APando (Aspen clone)
- BMethuselah (Bristlecone pine)
- CArmillaria ostoyae (Humongous Fungus)
- DGreat Barrier Reef
Show answer
Armillaria ostoyae (Humongous Fungus)
The 'Humongous Fungus' in Oregon's Malheur National Forest covers roughly 2,200 acres, mostly hidden underground, and may weigh as much as 35,000 tons.
How to play
- One question at a time, four options. Tap an answer to lock it in.
- You see the answer and a short explanation right away.
- Harder questions and faster answers earn more points. Share your score at the end.