Best medium riddles for kids with simple answers

I go in hard. I come out soft. You blow me hard. What am I?

What do you call a calf after it's six months old?

I have a face like a tree and skin like the sea. A great beast I am, yet small vermin frighten me. What am I?

I am a soldier and i really hate one month. Which month i am talking about?

Give me food, and I will live. Give me water, and I will die. What am I?

Every night I'm told what to do, and each morning I do what i'm told. But I still don't escape your scold.

I live in the ocean. I have eight legs, two big claws and a tail. My body has a hard shell. I eat anything I can find. I am a...

Tall I am young, short I am old. While with life I glow, wind is my foe. What am I?

What do you call a cat crossed with a fish?

What time of day, when written in a capital letters, is the same forwards, backwards and upside down?