Name the Phenomenon

14 illustrated puzzles. Each one depicts a real scientific phenomenon, without a single label. Look closely, make a guess, then check your answer.

How it works

Look closely

Every colour, count and prop is there for a reason. Open any picture full screen to study it.

Make a guess

Name the phenomenon. It's best played out loud, with friends who like to argue.

Take a hint

Stuck? Hints unlock one at a time, from a gentle nudge to a near giveaway.

Check the answer

Every answer comes with a breakdown of each clue and a link to read more.

Answers stay hidden from search engines and find-in-page. Your progress is saved in this browser.

The puzzles

Ordered from warm-up to hard 0 of 14 answered

Puzzle 01

Warm-up

Puzzle 02

Warm-up

Puzzle 03

Warm-up

Puzzle 04

Warm-up

Puzzle 05

Warm-up

Puzzle 06

Easy

Puzzle 07

Easy

Puzzle 08

Easy

Puzzle 09

Medium

Puzzle 10

Medium

Puzzle 11

Medium

Puzzle 12

Hard

Puzzle 13

Hard

Puzzle 14

Hard