Riddle: The first thing always exists, and the second thing only exists when there's a lot of the first thing in one place. What are they?
Answer: Cars and traffic.
Riddle: I can damage objects by force, but I have no arms. I make sound only when I am amplified. I cannot be seen, only felt and heard. What am I?
Answer: Wind.
Riddle: A man flipped a coin 9 times and every single time it landed on heads. If the man flipped the coin again, what is the chance that it lands on heads?
Answer: 50%. It's always 50%.
Riddle: When I start, I am always hungry. I can't stop until I am pleased with what I have. What am I?
Answer: Greed.
Riddle: I look like a human, but have no feelings, no heart, soul, skin, or bones. I can walk and talk. I can easily be controlled by people. What am I?
Answer: Artificial Intelligence, or a robot.
Riddle: What welcomes you with open arms, but many people try to avoid it?
Answer: Death.
Riddle: I am a food that explodes. But long before I explode, I am already dead. I can be small, I can be big, and I can be fragrant. My name is literal. What am I?
Answer: Popcorn!
Riddle: What has millions of ears but can't hear anything?
Answer: Corn.
Riddle: I am present on a winter's day, Surprise me and I am taken away. The faster you run, the harder I am to catch, Try all you can, I am not easy to snatch. I am always with you, somewhere in the background, You wouldn't know it though, for I hardly make a sound. Keep your head cool and you will finally see, That I am inside you. What could I be?
Answer: Your breath.
Riddle: What do you swallow that swallows you?
Answer: Water.