Daily Trivia Quiz - Day 141 (2026-02-28)

Question 1

Ski patrol teams sometimes set off controlled blasts on purpose before opening slopes. What danger are they trying to trigger early and safely?

Accepted Answer

Avalanches

Question 2

In a science demo box filled with special mist, tiny things you cannot see directly suddenly appear as bright lines. What appears?

Accepted Answer

Tracks

Question 3

After the first crewed Moon trips returned to Earth, astronauts stayed in a mobile trailer for days. Why were they kept there?

Accepted Answer

Quarantine

Question 4

In ancient coastal towns, people left fish mixture in sun-warmed containers for weeks to make a popular sauce. What flavor result were they aiming for?

Accepted Answer

Savory sauce

Question 5

In orbit, toilets cannot rely on things falling downward. What replaces gravity to move waste the right way?

Accepted Answer

Airflow

Question 6

Before zippers became common, a small hook tool was used to help fasten old-fashioned boots. What kind of fastening did it assist with?

Accepted Answer

Buttons

Question 7

In very cold rivers, a rare underwater ice can cling to submerged surfaces and grow into upward spikes. What surface does this ice first attach to?

Accepted Answer

Riverbed

Question 8

In Toronto, Canada, many workers can cross downtown blocks in winter without stepping outside. Where do they walk?

Accepted Answer

Underground corridors

Question 9

On canals with uneven water heights, boats can move up and down in stages. What simple idea makes that possible?

Accepted Answer

Step-by-step water levels

Question 10

In some high mountain villages, such as those in the Himalayas, people build cone-shaped ice towers during winter as seasonal water storage. What is their main purpose when temperatures rise?

Accepted Answer

Spring irrigation