There's a word play here.

Just what is a plimsole?

Can you see how the spelling has changed?

Put plimsole into the online dictionary.

What is it?

When were they called this?

What would we call them today?

 

So, what is the plimsoll line?

Where would you find it?

Why was it put there?

Who designed it?

When was it first put on ships?

Make your own drawing of the plimsoll line and explain what the letters mean.

Write a short report for the weblog.