Answer:
I'm written with two letters, said with one and seen with two. What am I?
I come in different colors and shapes. Some parts of me are curvy, some are straight. I look like I can belong anywhere but there is only one right place for me. What am I?
I help engines spin and pants stay up.
I am the kind of an ant that's good at math. What am I?
The higher I climb, the hotter I engage. I cannot escape my crystal cage. What am I?
Long and slinky like a trout, never sings till it's guts come out.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic