Naturally Grammar
What is a Conjunction?
A small word that joins two different parts of speech or phrases.

What Does a Conjunction Look Like?
Coming together, plus, and

Mnemonics & More 
FANBOYS

Conjunctions:  A Few Examples
For, and, nor, but, or, yet, so


What is an Interjection?
A word expressive of emotion

What Does an Interjection Look Like?
Excitement!  Surprise!  Fear!

Mnemonics & More 
Any sound of emotions

Interjections: A Few Examples
Wow, ahh, hooray, pow, whaa, yeah, gosh, oh, eek, yow