Good Morning, Curious Minds

Daybreak Trivia for October 26, 2026. Ten questions, each with a short explanation.

1. What acoustical effect makes the air in a violin-shaped chamber amplify a tuning fork’s sound most strongly?
2. In many lichens, what does the fungal partner provide for the photosynthetic partner?
3. Why is the eastern, leeward side of the Sierra Nevada generally drier than its western slopes?
4. In historical ocean navigation, what could a navigator calculate by comparing shipboard time with Greenwich time?
5. In classification by sound production, what defines a chordophone such as a guitar?
6. In a television chroma-key shot, what happens to the selected background color?
7. After home-drying fruit, what is the purpose of conditioning it in a sealed jar?
8. In FEI dressage tests, what practical purpose do the letters around the arena serve?
9. In exact English wordplay, what must a new word or phrase preserve to be an anagram?
10. In a photoelectric smoke alarm, what happens when smoke enters the sensing chamber?