Eight of us go fourth, not back, to protect our king from an attack. What are we?

A police officer was passing by when he saw a guy hiding. He walked up to him and genially asked, "What is your name?"

"Shut up!" the boy responded.

"Where are your manners?" asked the outraged police officer.

"Up that tree," said the boy discourteously, directing to a neighbouring tree.

You're looking for trouble, aren't you?" said the police officer.

"No, trouble is looking for me!" the boy answered solemnly.

Why is the boy behaving like this?

What has lots of eyes, but can’t see?

You need to remove two matchsticks to make the below equation true. Can you do it ?

When I asked a girl's name she told me her name is the date '07/09/2001'.

I thought for a few seconds and then I got her name. Do you?

I have four wings but can't fly.
I express no emotions.
I am found on the exact spot every time you look.
I keep toiling away with a little sound.

Do you know what am I?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

The more it dries, the wetter it becomes. Can you tell what it is?

What do you think with the below Picture ?

What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag