Riddles

1.Feed me and I live

Give me drink and I die.

What am I?

2.How could I place a bookbag on the floor where no one could jump over it?

3. A chest without hinges key or lid but inside golden treasures are hid. What is the chest and what is the treasure?

4.I went to the garden and got it, when I came into the house I cried because of it.

5What English word means burning wood when you take away the first letter of the word?