Answer:
What can you catch but not throw?
You cannot keep me until you have given me. What am I?
What invention lets you look right through a wall?
You throw me out when you want to use me, but take me in when you don’t want to use me. What am I?
I go in hard come out soft. Blow me hard and I’ll make a pop.
The answer I give is yes, but what I mean is no. What was the question?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic