Under pressure is the only way I work, and by myself is the only way I'm hurt. What am I?

I am a cold man without a soul. If there is warmth in me, it slowly will kill me. Who am I?

When you don't have me, you want me, but when you do have me, you want to give me away. What am I?

I am a mother and a father, but have never given birth. I'm rarely still, but I never wander. What am I?

What can you hold in your left hand and not in your right?

What goes through cities and fields, but never moves?

I grow when you take, yet shrink when you give. I can hold a mountain, but not a single pin. What am I?

It starts with a bang. He runs, and takes three left turns to see a man in a mask. What's happening?

I have no legs, but I can run. I can’t be seen, but I block out the sun. I vanish in moments, but can last for hours. What am I?

Walk on the living, they don't even mumble. Walk on the dead, they mutter and grumble. What are they ?

Grandmothers like to pinch these

If it weren’t for these, no one would be aware of Idaho’s existence

Sauerkraut owes its existence to this head

A mini solar powered computer designed to help you pass Algebra

A stellar five-limbed sea creature

What word sounds the same even after you take away four of its five letters?

What goes round the house and in the house but never touches the house?

Like a shadow in the dark, deceptively similar to the real thing yet lacking in true value. As innocent as a newborn child, it appears genuine at first glance, fooling even the most vigilant eyes.

I give advice to others, yet I know nothing myself. I am a hitchhiker destined to stay still while others pass by me. What am I?

How many politicians does it take to change a lightbulb?