Curated OER
Sextant Measurements
Students create a sextant. Using their sextant, students measure the height of tall objects. Students explore how sailors used sextants to identify their location on the ocean. They research how sextants are created.
Curated OER
Compass Building Instructions
Students build their own compass following a given procedure. In this technology lesson, students explain how a compass is used in navigation. They trace the history of its development.
Curated OER
What's Your Latitude?
Students measure the height of items using an astrolabe. For this latitude lesson students construct a sextant and determine height and latitude with it.
Curated OER
How to be a Great Navigator!
Students examine historical methods of navigation. They discuss the techniques of "Dead Reckoning," "Heaving the Log," and "Chip Log," pretend to sail from Europe to North America using vectors and determine the location of their...
Curated OER
How Do You Know Where You Are?
Seventh graders are introduced to geographic thinking, setting the stage for the creation of a map showing distance, direction, location and symbols from their residences to school.