Easy clean riddles for teens

I hiss. I can be poisonous. I am long. I have a forked tongue. What am I?

You can see me in water, but I never get wet. What am I?

I have no life, but I can die, what am I?

What always comes into a house through the keyhole?

I have seas without water. I have forests without wood. I have deserts without sand. I have houses with no brick. What am I?

I'm tall when I'm young and I'm short when I'm old. What am I?

What comes down and goes up again and again? What is that?

I eat other animals. I have a big mouth. I am green. I live in the water. Who am I?

What has a neck but no head?

It can fill a room without occupying space. What is that?