Dear youngsters, could you answer the following questions.

1. I cannot be bought, cannot be sold, even if I'm sometimes made of gold. What am I?
2. I can be found after you remove 6 letters from BSAINXLEARNTEARS. What am I?
3. I run up and down the stairs without moving. What am I?
4. When I point up, it's bright. When I point down, it's dark. What am I?
5. I ask no questions but receive a lot of answers. What am I?
6. You use a knife to slice my head and weep beside me when I am dead. What am I?

Answers to last week questions:

1. Iceberg
2. Tie
3. Kite
4. Gum
5. Wheat
6. Broom