Answer:
I am a mini solar powered computer
What is so fragile that saying its name breaks it?
Soft, hairy, from door to door. I am the pet that always stays on the floor. What am I?
There's not a kingdom on the earth I haven't traveled over and over and though I know not whence my birth yet when I come you know my roar. I through the town do take my flight and through the fields and meadows green and whether it be day or night I neither am nor can be seen.
Part carbon, part water, I am poison to the fishes. Many falsely claim my name, I am the pause that refreshes. What am I?
No matter how little or how much you use me, you change me every month.