Riddle:
I am the breath of relief and depression. What am I?
Answer: A sigh.

Riddle:
I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?
Answer: Mushroom.
Riddle:
My three brothers, my cousin, and I are stood in a line. I am the shortest of all my brothers and I am at one end of the line. At the other end of the line is my cousin, who is the fattest out of all of us. My tallest brother is in the middle of the line. We cannot move away from where we stand and yet we are very flexible. We are very useful; people would struggle without us. What are we?
Answer: Fingers.

Riddle:
I give you all the money in the world but I receive nothing. What am I?
Answer: A tree.
Riddle:
I have a mouth, I do not talk, I always run, I never walk. What am I?
Answer: A river.

Riddle:
I'm done to the chief,
And to the king too;
A liquid formed to stone,
I can hit and hurt you.
What am I?
Answer: Hail.
Riddle:
I'm blue at day and black at night; I do contain some creatures born and died. What am I?
Answer: Sea water.

Riddle:
I am nothing, I am everything. I am perfect dark, I am the brightest lights. I am hungry, I am full. I am nowhere, I am everywhere. I am unseen, I am watched by millions. What am I?
Answer: The universe.
Riddle:
This is a thing you write every day, But some people don't, then memories fade away. What am I?
Answer: A diary.
Riddle:
Some need me, some don't. Some want me, some don't. Some chase me, some don't. Some deserve me, some don't. Yet no one knows when I come. What am I?
Answer: Love.
Riddle:
I am something to make you think, something to make you know, something to which the answer you might never know. What am I?
Answer: A riddle.
Riddle:
I come in darkness, but fill the mind with light. I bring enlightenment to some while gripping others in the hand of fear. For me, it can be a journey of inexplicable joy and sorrow. What I will show you will often be unreachable. Journey with me and what you see may haunt you. Journey with me and you may never want to return home. Journey with me and you will never know when it will end. What am I?
Answer: Your dreams.
Riddle:
I usually wear a yellow coat. I usually have a dark head. I make marks wherever I go.
What am I?
Answer: A pencil.
Riddle:
I herald the darkness which descends on all creatures; You will know my approach by moans and wracked features. I visit the hippo, hyena, and horse, But never go near snails and spiders, of course. I would circle the globe, leaping one to the other, Should all the world's people ever clasp hands together.
What am I?
Answer: I am a Yawn.
Riddle:
I am mother and father, but never birth or nurse. I'm rarely still, but I never wander.
What am I?
Answer: I am a tree.
Riddle:
Shoot at me a thousand times and I may still survive; one scratch from me and you will find your prospects take a dive.
What am I?
Answer: An Eightball.
Riddle:
I'm sometimes white, and always wrong. I can break a heart and hurt the strong. I can build love and tear it down. I can make a smile, but more often bring a frown.
What am I?
Answer: I am a lie.
Riddle:
I fly without feathers;
Sleep when you're awake;
I'm not a mosquito and neither a needle,
But blood I'm known to take.
What am I?
Answer: I am a vampire bat.
Riddle:
I am long when I am born, but become shorter as you use me. What am I?
Answer: A pencil.
Riddle:
I wiggled and cannot see, sometimes underground and sometimes on a tree. I really don't want to be on a hook, and I become a person when combined with a book. What am I?
Answer: Worm