CORE CORE Land Navigation and Orienteering

Question 1

What does the contour interval on a topographic map represent?

Accepted Answer

The vertical elevation difference between adjacent contour lines

Answer

The contour interval is the vertical elevation difference between two adjacent contour lines on a topographic map.

Question 2

When using a baseplate compass in the field, what is the purpose of declination adjustment?

Accepted Answer

To account for the difference between true north and magnetic north

Answer

Declination adjustment corrects for the angular difference between true geographic north and magnetic north at a given location.

Question 3

Which map symbol typically indicates a depression or closed low point in terrain?

Accepted Answer

Contour lines with tick marks pointing inward

Answer

Closed contour lines with small tick marks (hachures) pointing toward the center indicate a depression on a topographic map.

Question 4

In land navigation, what is a 'bearing'?

Accepted Answer

A horizontal angle measured clockwise from north to a target direction

Answer

A bearing is a horizontal direction expressed as an angle measured clockwise from north (0°–360°) toward a destination.

Question 5

What technique involves using two or more known landmarks to determine your current position on a map?

Accepted Answer

Triangulation (resection)

Answer

Triangulation (resection) uses back-bearings from two or more known landmarks to intersect lines on a map and pinpoint your location.

CORE - Conservation and Outdoor Recreation Education Practice Test