Answer:
Come up and let us go. Go down and here we stay
It stands upright and can be quite grand. Its secret is not hidden but right at hand. What is it?
What runs around all day. Then lies under the bed. With its tongue hanging out?
I am the greatest teacher out of them all, but alas in the end I kill my pupils.
Never alive but practically extinct. How we miss the letters pressing the ribbon of ink. What is it?
What can never be put in a saucepan?