Q&A for How to Make a Water Clock (Clepsydra)

Yes. As it says, you can use any material/thing that has the following properties: Shouldn't absorb water, should be lightweight, should float.

Yes, in my opinion. It helps the water jar to stand in a better position.

The time is measured according to the drops of water. For example, a drop is one second.

No, though the bigger it is, the easier it will be to read.