1.14.2. Magnetic compasses

Try these first

1. 1.

   What is a magnetic compass?

   Hint

   Think about how sailors find their way.

2. 2.

   Name one type of magnetic compass.

   Hint

   Consider the compass that uses a prism.

3. 3.

   What is the primary function of a magnetic compass?

   • To measure distances
   • To find direction
   • To record elevations

   Hint

   Think about what navigators rely on.

4. 4.

   True or False: A surveyor's compass is useful for precise angle calculations.

   • True
   • False

   Hint

   Consider the features of both compass types.

5. 5.

   You are surveying land near an area with underground metal pipes. Discuss how this might affect your compass readings and propose a strategy to ensure accurate measurements.

   Hint

   Consider different ways to validate your findings despite the interference.

6. 6.

   Design a comprehensive survey plan utilizing all four types of compasses discussed, and describe the specific scenarios where each would be most effective.

   Hint

   Think about the advantages each type brings to a specific context.