Daily Trivia Quiz - Day 187 (2026-05-06)

Question 1

Why do candles usually go out when you blow on them?

Accepted Answer

The airflow removes heat from the wick

Answer

Your breath contains no oxygen

Answer

The flame is pushed into the wax

Answer

Carbon dioxide freezes the flame

Question 2

Why can a vinyl record play sound from a tiny groove?

Accepted Answer

The groove physically wiggles the needle

Answer

The vinyl stores magnetic pulses

Answer

The label sends a radio signal

Answer

The disc releases trapped air tones

Question 3

Which old empire built roads so durable that some routes still shape modern maps?

Accepted Answer

Roman Empire

Answer

Aztec Empire

Answer

Mali Empire

Answer

Khmer Empire

Question 4

Why can peat bogs preserve ancient bodies and objects unusually well?

Accepted Answer

They are acidic and low in oxygen

Answer

They freeze everything solid

Answer

They contain natural glass

Answer

They repel all insects with salt

Question 5

Why do mangrove forests matter so much along tropical coastlines?

Accepted Answer

They help buffer waves and store carbon

Answer

They stop all tides from rising

Answer

They turn saltwater into freshwater

Answer

They prevent every coastal storm

Question 6

Why do many restaurant fries get cooked once before the final golden fry?

Accepted Answer

To cook and dry them before crisping

Answer

To add more oil flavor

Answer

To keep the potato from browning

Answer

To remove all starch from the potato

Question 7

When an eraser removes pencil marks, what is it mostly doing to the graphite?

Accepted Answer

Gripping and lifting graphite off the paper

Answer

Bleaching graphite until it is clear

Answer

Melting graphite into the paper

Answer

Turning graphite into dust-free gas

Question 8

Many postage stamps carry a feature invisible to the naked eye but readable by sorting machines. What is it?

Accepted Answer

Invisible luminescent tagging

Answer

Tiny metal magnets

Answer

A radio broadcast chip

Answer

A weight-changing adhesive

Question 9

When a cook calls "behind" in a restaurant kitchen, what are they doing?

Accepted Answer

Warning someone they are passing behind them

Answer

Asking for a delayed order

Answer

Reporting a late table

Answer

Calling for more dishwashers

Question 10

Why are many classroom "blackboards" actually green?

Accepted Answer

Green boards reduce glare and improve contrast

Answer

Green chalk was once cheaper

Answer

Black paint damaged chalk

Answer

Green boards were required for projector use