Medium poems riddles for teens with simple answers

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place.

Pronounced as one letter, And written with three, Two letters there are, And two only in me. I’m double, I’m single, I’m black blue and gray, I’m read from both ends, And the same either way.

What has roots as nobody sees, Is taller than trees, Up, up it goes And yet never grows?

I don't have wings, but I can fly. I don't have eyes, but I will cry! What am I?

At the sound of me, men may dream or stamp their feet. At the sound of me, women may laugh or sometimes weep.

I taste sweet and juicy. I smell fruity. I feel rough and wet. I look like a bumpy ball. What am I?

To you, rude would I never be, Though I flag my tongue for all to see. What am I?

I am a home of knowledge, both banal and profound. In grand halls and small homes I can be found. I am a home for things of many leaves, but my many residents are not living trees. What am I?

Thirty white horses on a red hill. First they champ, Then they stamp, Then they stand still. Who are they?