What athena have, you do too

Question

You can use it but a little will do
Sometimes I'm up
Sometimes I'm down
You put green living things in me
And when I got shattered
You don't really give a damn

Answer 1

Please don't mislabel your questions :)

Answer 2

Let me be clear lai: just because your science teacher gave it, doesn't mean it is science. usually these have very little educational value, and are essentially "busy" work.