Science

Mythbusters Science Quiz

Busted, plausible, or confirmed? Test your knowledge of popular science myths.

Mythbusters Science Quiz: Test Your Knowledge

Think you can tell science fact from fiction? This quiz draws from a pool of 50 questions covering the most persistent myths in everyday science — from the five-second rule to quicksand dangers to whether cracking your knuckles really causes arthritis. Rated easy difficulty, it is perfect for curious minds of all ages.

How It Works

Each round presents 10 multiple-choice questions randomly selected from the full bank. Pick your answer, get an instant explanation with the real science behind the myth, and see your final score. Questions are randomized each attempt, so replay as many times as you like.

What You'll Learn

Questions cover whether you can fry an egg on a sidewalk, if a penny dropped from the Empire State Building could kill, how to escape a sinking car, the truth about running in rain, whether shaving makes hair grow back thicker, how goldfish memory really works, why bulls do not actually see red, and dozens more myths you have probably heard your whole life.

Frequently Asked Questions

Does the five-second rule actually work?

No. Research from Rutgers University showed that bacteria can transfer to food in less than one second of contact with a contaminated surface. The type of surface and moisture level of the food matter more than time, but there is no safe window for eating dropped food.

Can a penny dropped from a skyscraper kill you?

No. A penny is too light and flat to reach a lethal terminal velocity. Due to air resistance, a falling penny tops out at roughly 25 mph — enough to sting but nowhere near enough force to cause serious injury, let alone death.

What science myths are actually true?

Some claims that sound like myths are actually confirmed by science. You really can start a fire with a battery and a gum wrapper. Talking to plants may genuinely help them grow due to the carbon dioxide you exhale. And lightning protection in cars comes from the metal frame acting as a Faraday cage, not from the rubber tires.

Last updated: March 2026