Answer:
I am a type of weapon for SCI-FI characters
*forward* *backwards*is what I do all day. I come in all different shapes and sizes. I can be scary and I can calm you down.
Die without me, never thank me. Walk right through me, never feel me. What am I?
I have a few points but we're not competing. I'll help you win when you're eating.
I hide but my head is outside. What am I?
A word of five letters, Upside down is the same, A shark does this, But itβs not to blame. What is the word?