Daily Trivia Quiz - Day 134 (2026-02-21)

Question 1

Drop raisins into a fizzy drink and they can act strangely, sinking and rising again and again. What keeps sending them back up?

Accepted Answer

Bubbles

Question 2

A cheap 19th-century fencing material rapidly changed the open prairie into divided land. What was it?

Accepted Answer

Barbed wire

Question 3

Before anyone could play recordings through a speaker, what did the phonautograph do with sound?

Accepted Answer

Traced sound waves

Question 4

Why does spilled coffee often dry into a dark ring at the edge?

Accepted Answer

Particles move to the rim

Question 5

Why is a traditional Venetian gondola built slightly lopsided?

Accepted Answer

To row straight with one oar

Question 6

What causes frozen lakes to produce loud, laser-like booms called singing ice?

Accepted Answer

Thermal cracking in ice

Question 7

During Christmas Island migration season, what do red crabs do in astonishing numbers?

Accepted Answer

March to the sea

Question 8

In Switzerland's Alpabzug tradition, what eye-catching decoration do cows often wear?

Accepted Answer

Giant flower crowns

Question 9

How does the oilbird, a fruit-eating bird, navigate through pitch-dark caves?

Accepted Answer

By echolocation clicks

Question 10

What is unusual about Icelandic patronymic surnames compared with fixed family names?

Accepted Answer

They change each generation