Best short medium riddles for kids

When it comes to me, you go on red and stops on green. What am I?

What has a tongue, cannot walk, but gets around a lot?

You bury me when I am alive, and dig me up when I die. What am I?

The more you take away, the bigger I become. What am I?

Before Mt. Everest was discovered, what was the highest mountain in the world?

The more it dries, the wetter it gets. What is it?

What has many keys but can't open any doors?

There is an ancient invention still used in some parts of the world today that allows people to see through walls. What is it?

You are in a room with 3 monkeys. One monkey has a banana, one has a stick, and one has nothing. Who is the smartest primate?

It makes more noise than a dog in your house. What is that?