The Earth's hard outer layer (where we live) is called the crust. It is made up of large slabs called tectonic plates. The plates fit together like jigsaw puzzle pieces far beneath our feet.

Don't lose your streak! We can help you figure out the Wordle answer for today, 31st January 2025. For the uninitiated, the aim of Wordle is to work out a daily five-letter word within six guesses.