Medium simple riddles for kids with simple answers

I am a seed with three letters in my name. Take away the last two and I still sound the same. What am I?

Three lives have I. Gentle enough to soothe the skin, Light enough to caress the sky, Hard enough to crack rocks.

It can be cracked, it can be made, It can be told, it can be played. What is it?

What is the largest number you can write with just 3 digits?

I have all the knowledge you have. But I am small as your fist that your hands can hold me. Who am I?

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?

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

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...

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?