Science Trivia
Physics, chemistry, biology and earth science, from the periodic table to plate tectonics. The easy questions are the ones you half-remember from school; the hard ones would stump a lab.
Type the element, the law or the scientist yourself — near-misses are forgiven. Each answer comes with a short explanation, so you finish a round knowing more than when you started.
- 396questions
- 91easy
- 109medium
- 196hard
What's covered
- Chemistry
- Physics
- Biology
- Earth science
- Famous scientists
- Units & laws
Science Trivia: sample questions
Answer in your head, then tap to check. In the game you type it.
- easy
What is the chemical formula for water?
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H2O
Each water molecule pairs two hydrogen atoms with a single oxygen atom, giving it a distinctive bent shape.
- easy
What is a baby frog called?
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Tadpole
Tadpoles breathe through gills and only develop lungs and legs as they gradually transform into adult frogs.
- medium
What is the name of the effect describing the change in a wave's observed frequency when the source and observer move relative to one another?
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Doppler effect
The same effect makes a passing siren drop in pitch and lets astronomers measure how fast distant galaxies are receding.
- medium
What subatomic particle carries a negative electric charge?
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Electron
Electrons are about 1,800 times lighter than the protons they orbit.
- hard
Which chemical element has the highest melting point of all the elements?
Show answer
Tungsten
Tungsten melts at around 3,422 degrees Celsius, which is why it is used for the filaments in incandescent light bulbs.
How Kenna works
Type the answer
No multiple choice. Typos and near-misses are forgiven automatically.
Beat the clock
Answer fast for a speed bonus — or switch the timer off for a relaxed round.
Learn something
Every question ends with a short fun fact that expands on the answer.
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