I am a stop sign, what you see in blood, a rose, and, of course, an Autumn leaf. What am I?

In spring I am gay in handsome array; in summer more clothing I wear; when colder it grows I fling off my clothes; and in winter quite naked appear. What am I?

What is in seasons, seconds, centuries, and minutes but not in decades, years or days?

I am a thief that steals the green from leaves, paints them red and gold, and makes the world prepare to sleep.

What question can never be answered with a "Yes"?

What shoes do frogs wear in the summer?

I fall but never get hurt, I cover the world in white, and disappear with a little warmth. What am I?

A woman went to Virginia to get a job. She promised her mother she would come back and visit sometime. Then, in the middle of winter, her mother shouted, "April is here!". How is this possible?

A man stands on one side of a river, his dog on the other. The man crosses the river, but the dog doesn't. How?

What do you call a snowman in the summer?

How far is it from March to June?

How can 8 + 8 = 4?