Definition: A physical base or foundation.

Alright class, settle down now, let’s take a look! You’ve come across the word “basis,” and the dictionary gives you a clue – "a physical base or foundation." But what does that really mean? Think of it like this: Imagine building a tower. What do you need first? A base , right? Something solid to build upon! A “basis” can be used in several ways, let’s explore a few: In Math: When we talk about a "basis" in math (like with vectors), it's a smallest set of things that can be combined to create any other thing. It’s like having just the right bricks to build anything you want! In Science: A foundation – think of a chemical reaction, or a geological formation. It's what everything else is built on. Simply put: It’s something fundamental, essential, and providing support. Like the roots of a tree holding it steady and tall! Does that make sense? Do you have any questions about this concept of "basis" – its meaning and how it's used? Don’t be shy, raise your hand if you need a little more explaining! Now, let’s move on to…