Daily trivia questions: 10 new ones every day
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Ten new questions every day: three easy, four medium and three hard, drawn from 669 sourced questions on history, science, geography, sports, music, film and more. A question comes back only after every other question of its difficulty has had its day. Pick an earlier date to play a past set.
10 questions · Trivia for 4 Nov 2026 · answers included
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- 1
Which process in the Sun's core produces its energy?
easy
AnswerNuclear fusion
“The solar core is the hot, dense region at the center of the Sun where energy is generated by nuclear fusion.”
Source: Wikipedia https://en.wikipedia.org/wiki/Solar_core?oldid=1343609804
- 2
Which element gives table salt the first half of its chemical name, sodium chloride?
easy
AnswerSodium
“Sodium chloride is an ionic compound with the chemical formula NaCl, representing a 1:1 ratio of sodium and chloride ions.”
Source: Wikipedia https://en.wikipedia.org/wiki/Sodium_chloride?oldid=1361150387
- 3
How many days are in a leap year?
easy
Answer366
“The historic Julian calendar has three common years of 365 days followed by a leap year of 366 days, by extending February to 29 days rather than the common 28.”
Source: Wikipedia https://en.wikipedia.org/wiki/Leap_year?oldid=1365633748
- 4
What was the first artificial satellite?
medium
AnswerSputnik 1
“Two months later the R-7 launched Sputnik 1, the first artificial satellite, into orbit, and became the basis for the R-7 family which includes Sputnik, Luna, Molniya, Vostok, and Voskhod space launchers, as well as later Soyuz variants.”
Source: Wikipedia https://en.wikipedia.org/wiki/Space_Race?oldid=1364197645#Soviet_rocket_development
- 5
Name the flaky pastry used for baklava.
medium
AnswerFilo pastry
“Baklava is a layered pastry dessert made of filo pastry, filled with chopped nuts, and sweetened with either syrup or honey.”
Source: Wikipedia https://en.wikipedia.org/wiki/Baklava?oldid=1365053217
- 6
Which gemstone is traditionally associated with an engagement ring?
medium
AnswerDiamond
“The diamond engagement ring thus became a source of financial security for the woman.”
Source: Wikipedia https://en.wikipedia.org/wiki/Engagement_ring?oldid=1363183387#Industry
- 7
Does an exothermic reaction release energy or take it in?
medium
AnswerReleases energy (usually as heat)
“In thermodynamics, an exothermic process is a thermodynamic process or reaction that releases energy from the system to its surroundings, usually in the form of heat, but also in a form of light, electricity, or sound.”
Source: Wikipedia https://en.wikipedia.org/wiki/Exothermic_process?oldid=1343544837
- 8
How does an electrolyte conduct electricity?
hard
AnswerThrough the movement of ions
“An electrolyte is a substance that conducts electricity through the movement of ions, but not through the movement of electrons.”
Source: Wikipedia https://en.wikipedia.org/wiki/Electrolyte?oldid=1361995977
- 9
Which Minnesota lake is the headwater of the Mississippi River?
hard
AnswerLake Itasca
“Lake Itasca is located in Itasca State Park, in north-central Minnesota, and is notable for being the headwater of the Mississippi River.”
Source: Wikipedia https://en.wikipedia.org/wiki/Lake_Itasca?oldid=1363013883
- 10
Which invention did Hedy Lamarr co-design using frequency hopping?
hard
AnswerA radio guidance system for Allied torpedoes
“At the beginning of World War II, along with composer George Antheil, Lamarr co-invented a radio guidance system for Allied torpedoes that used spread spectrum and frequency hopping technology to defeat the threat of radio jamming by the Axis powers.”
Source: Wikipedia https://en.wikipedia.org/wiki/Hedy_Lamarr?oldid=1365774365
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