Answer:
I have a small hill with seven holes.
I start new then become old. Start clean but become dirty. I usually start big then become little. What am I?
What is light as a feather but even the strongest man cannot hold it for more than a few minutes?
You throw away my outside, you cook my inside. Then you eat my outside and you throw away my inside. What am I?
I beam, I shine, I sparkle white. I'll brighten the day with a single light. I'll charm and enchant all. I'll bring the best in you all. What am I?
Break me and I am better immediately set and harder to be broken again.