Lost at Sea
For the Experts
Alternatives to the Sextant
Make a plan of how you will use the equipment, test your ideas out and report your findings
1. Find the Sun's Altitude at Noon Using the Length of Shadow at Noon.
Equipment: Pole of known height
Tape measure or ruler
Marker peg
Scientific calculator or Trig (Tan) tables.
2. Find the Sun’s Zenith DISTANCE at Noon Using a Protractor and Weighted String.
Equipment: Protractor
Drinking straw
Tape
Small weight (50g)
String (50 cm)