John Harrison, a clock making wizard from the north of England, spent 50 years of his life resolving the greatest shipping problem of his day: How to find longitude at sea.

The work sheet has the video link, video script, comprehension and vocabulary questions, and an answer key.  It also has examples of appositives. I used other work sheets to explain this grammar point.

the-first-longitudinal-clocks-conversation-topics-dialogs_96617.doc

The First Longitudinal Clocks

the-first-longitudinal-clocks

John Harrison, a clock making wizard from the north of England, spent 50 years of his life resolving the greatest shipping problem of his day: How to find longi…