I’m tall when I’m young, and I’m short when I’m old. What am I?

I am the fastest animal but cannot climb the tree. What am I?

One day, John and his friends were playing around. Jacob hit something with a Pin and it popped. John's dad came into the room that very moment, but he wasn't mad. In fact, he was smiling. What did Jacob hit?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

John was going on a jungle trip. He asked his wife to pack something to eat, something to drink and something to burn if he feels cold in the jungle. When John opens the backpack he found just one thing in the bag. What was it?

I hide my treasure in the ground, my tail is big and fluffy. If you spot me in a tree, please don’t call me scruffy. What am I?

What demands an answer, but asks no questions

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?