Answer:
What is eaten but can also eat?
What can be drawn but never taken?
If you lose me, you may cause people around you to lose me too. What am I?
I have all the knowledge you have. But I am so small that I can fit into your hands. What am I?
I help engines spin and pants stay up.
In your fire you hear me scream! Creaking and whining yet I am dead before you lay me in your hearth.