What starts with "e" ends with "e" and contains only one letter?
An envellope

What has eyes but can't see?
Potatoes

What is too much for one, enough for two, but nothing at all for three?
A secret

Born at the same time as the world, destined to live as long as the world, and yet never five weeks old.  What is it?
The moon

What can be measured, but has no length, width or height?
The temperature

What has a neck, but no head?
A bottle

What has 4 legs and only 1 foot?
A bed

What am I? I am the only thing that always tells the truth. I show off everything that I see. I come in all shapes and sizes. So tell me what I must be!
A mirror

Here on earth it is always true,
that a day follows a day.
But there is a place where yesterday
always follows today!
What am I ?
The dictionary

Scientists have proven that cats have more hair on one side then their other side. Some people bellieve that this is because when cats lay on their side they need insulation from the cold on the floor or ground. Which side of a cat has more hair? 
The outside, ofcourse !