Okay, so imagine you have a bunch of building blocks that you can stack together to make a really cool structure. Now, some building blocks are shaped like cubes - you know, like those dice you play with. And if you stack those cubes together just right, you can make a structure that's really strong and steady.
Well, that's kind of what a cubic crystal system is like. Instead of building blocks, we have teeny-tiny particles called atoms that make up a crystal. And in a cubic crystal system, these atoms are arranged in a neat, orderly pattern that looks like a bunch of tiny cubes stacked together.
But here's where it gets a little bit tricky. See, the atoms in a cubic crystal system aren't always perfectly aligned - sometimes they're a little bit off, like when you try to stack your building blocks and they don't quite line up. And depending on how those atoms are arranged, you can get different properties in the crystal. Some cubic crystals are really hard and strong, while others might be more flexible.
So yeah, that's the basic idea behind a cubic crystal system - it's like building blocks made of atoms that are stacked together in a neat pattern. And depending on how those atoms are arranged, you can get different properties in the crystal. Pretty cool, huh?