Definition: To change (something) from a smaller form and/or size to a larger one; to spread out or lay open.

Alright class, settle down now, let’s take a look! You’ve got a great definition there, quite clear and true, "Expanding," it says, “changing something new!” Let's break it down with a little rhyme, you see, It means to grow bigger, for all to agree! Think of a balloon, filled with air so light, It’s expanding outwards, a beautiful sight! Or imagine a flower, unfolding its grace, Its petals expanding , in this lovely space. The dictionary's right – it’s about size and spread, From small to large, let your thoughts be led! It can also mean opening up, like a book you read, Expanding your knowledge, planting a seed! So, “expanding” means making something grow, Let's practice using it – now, who wants to show?