How were the facts checked?

They're based on what textbooks and science organisations say. If you spot a mistake, let us know in the comments.

Why only two options?

It's a true-or-false quiz, so there are just two options. The explanations are where the good stuff is.

Do I get the same questions every time?

Each round is picked at random. Only a friend's challenge link gives you the same questions in the same order.

🔬 Science Myth or Fact

Goldfish have a three-second memory. True or false?

Everyone has heard these science 'facts', and quite a few are wrong. Read the statement and pick True or False. Each answer comes with a one-line explanation.

About this quiz

Do goldfish really have a three-second memory? Does lightning never strike the same place twice? Decide whether each science fact you've heard is true or a myth.

Right after you answer, a sentence or two sets the record straight. Even a miss leaves you with one myth fixed.

Questions: 10
Subject: Science
Price: Free
Sign-in: Optional
Devices: Phone, tablet, desktop

How to play

O on the left, X on the right: In this quiz the options never swap places, so your thumb learns where to go.
Something to tell your friends: One or two lines is all it takes to correct a friend who believes the myth. Share it and compare scores.
Review only what you missed: Under your result you'll find each question you missed, what you picked, the right answer and why. Finish a round and your review is done too.

Score ranks

Fact Checker
Not fooled once. You're now in charge of debunking the group chat.
Curious Scientist
You saw through most of them. The ones you missed fool almost everyone.
Half Believer
A few of those you believed because you'd heard them, right? The explanations give you plenty to share.
Goldfish Memory
Those myths are convincing. For the record, goldfish remember for months. Try again.

Frequently asked questions

How were the facts checked?: They're based on what textbooks and science organisations say. If you spot a mistake, let us know in the comments.
Why only two options?: It's a true-or-false quiz, so there are just two options. The explanations are where the good stuff is.
Do I get the same questions every time?: Each round is picked at random. Only a friend's challenge link gives you the same questions in the same order.