How Fish Get Oxygen

me: "So, how to fish get oxygen?"
Student: "By Farting."
me: "farting"
Student: "Yeah, it makes bubbles in the water."

hmm...

Me: So what else do all these shapes have in common?
Student:  That they're all different?


um...yes.  That is EXACTLY what they have in common.

Feeding the Fish

Student: Miss can I feed the fish?? I thought of food and then I thought of feeding the fish.
Me: Oh, that's nice...you were hungry and you thought the fish were hungry.
Student: No, I thought of Sushi.