What can be as big as an elephant, but weighs nothing?

(a)  

What do people bury when it’s alive, but dig up when it’s dead?

(a)  

Forwards I am heavy, backward I am not. What am I?

(a)  

What runs around the whole yard without moving?

(a)  

Only one color, but not one size,

Stuck at the bottom, yet easily flies.

Present in sun, but not in rain,

Doing no harm, and feeling no pain.

What is it?

(a)  

A bus driver was heading down a street in Colorado. He went right past a stop sign without stopping, he turned left where there was a "no left turn" sign, and he went the wrong way on a one-way street. Then he went on the left side of the road past a cop car. Still - he didn't break any traffic laws. Why not?

(a)  

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

(a)  

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

(a)  

What can you catch but never throw?

(a)