Riddles.. because it's Honors.

I am heavy when spelled forward, but not when spelled backward. What word am I?

What is the end of everything?

What is heavier: a ton of bricks, or a ton of feathers?

What word begins with the letter e, yet only contains one letter?

The more you take, the more you leave behind. What am I?

I have a head and tail, but no body. What am I?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

What is always coming, but never arrives?

How many people are there in two pairs of twins, twice?

You have a bucket full of water. What do you add to it to make it lighter?