What is the word or phrase?

In the image below, you can see two glasses and two matchsticks.You need to move four matchsticks in such a manner that the crosses come inside the glasses. Note: you cannot move the crossed.

I look at you, you look at me, I raise my right, you raise your left. What am I?

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

He loves to dance, twist and prance, he shakes his tail, and as a way he sails, wingless he flies into the sky. What is he?

I don't get anymore wetter, no matter how much rain falls on me.

By what process could you make a 'Tea-Table' into food?

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

How can you leave a room with two legs and return with six legs?