Answer:
How can you throw a ball as hard as you can, to only have it come back to you, even if it doesn’t bounce off anything?
This patch of land stands alone
What can you easily break but never touch?
What can be seen but not touched?
When will water stop running down hill?
What sphinxes employ and players enjoy.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?