Question 1
EasyWhat part does a wheel rotate around so it can spin freely?
- Spoke
- Hub
- Axle (Correct answer)
- Rim
Source: The axle is the central rod; without it the wheel just rolls away on its own.
Below is the full Quizmo quiz devoted to the theme "The Wheel": each question, its four options, the correct answer highlighted and, where available, its source. A chance to brush up on your general knowledge and then test what you know.
▶ Play today's quizWhat part does a wheel rotate around so it can spin freely?
Source: The axle is the central rod; without it the wheel just rolls away on its own.
The giant rotating ride at fairs is named after which American engineer?
Source: George Ferris built his wheel to rival Paris's Eiffel Tower as an engineering showpiece.
Which ancient region is usually credited with inventing the wheel?
Source: Sumer in Mesopotamia gave us the wheel around 3500 BC, long before the pyramids' boom.
The long-running TV game show is called 'Wheel of ___' what?
Source: 'Wheel of Fortune' has spun since 1975 and is one of TV's longest-running game shows.
Which control do you turn to change a car's direction?
Source: Early cars used tillers like boats; the round steering wheel only took over around 1900.
What are the thin rods linking a bicycle wheel's hub to its rim?
Source: Spokes work in tension, letting a light wire wheel carry surprising loads.
Before transport, the wheel was first widely used to make what?
Source: The potter's wheel spun clay centuries before anyone bolted a wheel to a cart.
What rubber ring is fitted around a car wheel for grip?
Source: Early tyres were solid rubber; the air-filled version made rides far smoother.
A ship's steering wheel turns which part to change course?
Source: The wheel is linked to the rudder at the stern, which actually steers the vessel.
The Dharma wheel is a key symbol of which religion?
Source: The turning Dharma wheel represents the Buddha setting his teaching in motion.
The Aztecs are known to have fitted wheels only onto what objects?
Source: They understood wheels but used them on children's toys, never for hauling loads.
A spinning flywheel mainly stores which form of energy?
Source: Flywheels bank energy as motion, releasing it smoothly like a mechanical battery.
The first Ferris wheel debuted at the 1893 World's Fair in which city?
Source: Chicago's fair unveiled the original wheel, carrying over 2,000 riders at once.
A water wheel mainly converts a river's flow into what?
Source: Water wheels turned millstones and saws for centuries before electricity existed.
Artists arrange primary and secondary hues around which diagram?
Source: Newton bent the rainbow into a circle, creating the color wheel artists still use.
The oldest known wooden wheels are roughly how many years old?
Source: The Ljubljana Marshes wheel in Slovenia is about 5,000 years old and still intact.
The word 'wheelhouse' originally named a structure on what?
Source: A ship's wheelhouse sheltered the steering wheel; the baseball 'sweet spot' meaning came later.
How many spokes does the traditional Buddhist Dharma wheel have?
Source: Its eight spokes stand for the Noble Eightfold Path of Buddhist practice.
A 'Catherine wheel' is what kind of firework?
Source: Pinned to a post, it spins and showers sparks, named after a saint's wheel of torture.
A car's differential lets its two driven wheels do what when turning?
Source: The outer wheel travels farther in a turn, so the differential lets it spin faster.