Good Riddles

Question: Weight in my stomach,trees on my back,nails in my ribs,it's feet I lack.What am I?

Question: What has to be broken before you can use it?

Question: What is big and yellow and comes in the morning to brighten mom's day?

Question: A man was driving a black car. His lights were off. The moon shown no light. A cat was in the middle of the road. How did he know to stop?

Question: You put me in hard.
But then I become soft.
Blow me hard and I will get bigger.

What am I?