Daily Trivia Quiz - Day 209 (2026-06-08)

Question 1

Wax figures in museums can look eerily lifelike. What property of wax makes it so good at simulating skin?

Accepted Answer

It has a similar translucency and light-scattering quality to human skin

Answer

It can be dyed to exactly match any skin tone with pigments

Answer

It produces natural oils that give the surface a skin-like sheen

Answer

It naturally changes color with a person's body heat

Question 2

Ceramic knives can hold an extremely sharp edge, but they have one major weakness. What is it?

Accepted Answer

They shatter or chip if dropped or used on hard bones

Answer

They rust quickly if not dried after washing

Answer

They lose their edge when cutting acidic foods

Answer

They become magnetic if stored near steel utensils

Question 3

Foam rubber was discovered by accident. What did Dunlop researchers accidentally whip into liquid latex?

Accepted Answer

Air

Answer

Powdered chalk

Answer

Steam bubbles

Answer

Shredded cork

Question 4

For centuries, European kings tried desperately to crack China's porcelain formula. What did some Europeans mistakenly believe about how the raw material had to be prepared?

Accepted Answer

Special clay or porcelain material had to be buried underground for decades

Answer

A rare volcanic mineral only found in Asia

Answer

A mixture of ground pearl and river clay

Answer

Boiled animal bones mixed with fine sand

Question 5

Ceramic tiles on the Space Shuttle had to be extremely light yet withstand re-entry heat above 1,200°C. What made them so heat-resistant?

Accepted Answer

They were 94% air, with a silica fiber structure that barely conducted heat

Answer

They contained a thin layer of ablative carbon that burned away on re-entry

Answer

They were coated in a reflective metallic glaze that deflected heat

Answer

They were hollow spheres filled with inert gas to prevent heat transfer

Question 6

Velcro took over 10 years to commercialize after its invention. What was the biggest manufacturing problem?

Accepted Answer

Making hooks small and consistent enough at scale using nylon

Answer

Finding a glue strong enough to bond it to fabric

Answer

Convincing factories to abandon metal zipper equipment

Answer

Defending the idea from early patent disputes

Question 7

Foam cups keep hot drinks warm, but they also keep cold drinks cold for the same reason. What is that reason?

Accepted Answer

The trapped air bubbles in foam are very poor conductors of heat

Answer

The plastic shell reflects infrared radiation back inward

Answer

Foam expands slightly when cold, sealing air tighter

Answer

The foam reacts chemically with moisture to create insulation

Question 8

Bone china — a type of porcelain — traditionally contains real bone ash. What animal's bones are most commonly used?

Accepted Answer

Cattle

Answer

Horses

Answer

Pigs

Answer

Sheep

Question 9

The word 'nylon' was almost named something very different. Why did DuPont reject names like 'Norun'?

Accepted Answer

It sounded like a promise that stockings would not run

Answer

It was already registered as a foreign brand name

Answer

It sounded too much like a military code word

Answer

It described an obscure chemical term too directly

Question 10

Velcro's name is a portmanteau. What two words was it combined from?

Accepted Answer

Velours (velvet) and crochet (hook)

Answer

Velvet and cord

Answer

Vector and locking

Answer

Velum (membrane) and crimp