Which of these expands when it freezes?
Correct answer: Water

Gary
Ever notice when the water in ice cube trays have bigger cubes than the water you put in it??

Player #14192708
is said to expand??? it does expand!

Player Elf Council
Player 1500cc, Hence burst pipes.

quicksilver
ConsequentDessert10, was easy for a former plumber

Mars V
If it didn’t expand, ice would sink to the bottom and lakes would freeze from the bottom up.

Leebo13
Player #14192708, hence why they say so.

Player #36146084
are fish bigger when you "ice fish"

Maestro1313
Ice cubes.

#Sákshi .
In this case water shows anomalous behaviour . ...

TVISGO
Player #6852065, ice above water level melts too.

MAE
Seem to remember that water's highest density is at 4°C.

Cha Cha
Player #6852065, My theory too

Canadagirl
ConsequentDessert10, Did not think of that. Thought abou my ice cubes haha

JonOsin13
Ice wouldn't float otherwise.