I know why lighthouses were built in Tasmania and

identified some similarities and differences between two of them

I know why lighthouses were built in Tasmania and

identified many similarities and differences between two of them

I know one or two of the following:

·  how lighthouses worked in the past;

·  how they now work;

·  the role they played in the past; or

·  the role they now play

I  know either how lighthouses worked in the past and how they work now

or 

the role lighthouses played in the past and the role they play now

I  know how lighthouses worked in the past and how they work now

and 

the role lighthouses played in the past and the role they play now

I  know how lighthouses worked in the past and how they work now

and 

the role lighthouses played in the past and the role they play now

and

why the role of lighthouses has changed over time

I know either some of the work performed by Lighthouse Keepers or

some of the hardships their families faced in the past

I know some of the work performed by Lighthouse Keepers and

some of the hardships their families faced in the past

I know a lot about the lifestyle of Lighthouse Keepers and

their families and how this changed over time