Short clean riddles

I am a white box having no key or any lid. Yet there is a golden treasure inside it. What Am I ?

You are in a cabin and it is pitch black. You have one match on you. Which do you light first, the newspaper, the lamp, the candle, or the fire?

I have no legs. I will never walk, but always run. What am I?

Four children and their pet dog were walking under a small umbrella. But none of them became wet. How?

I can run, but not walk. Thought is not far behind me. What am I?

Johnny‘s mother had three children. The first child was named April. The second child was named May. What was the third child‘s name?

Physicists have built devices to move me very fast. My last seven letters can be commonly found in newspapers, magazines and journals. What am I?

Which vehicle is spelled the same forwards and backwards?

I am small. I can be scary. I have eight legs. I spin a web. What am I?

Can you punctuate the following, in order to make it a proper English sentence? I said that that that that that man wrote should have been underlined