Navigation is the process of planning, recording, and controlling the movement of a craft or vehicle from one place to another. It involves using tools, such as maps, compasses, GPS systems, and knowledge of celestial bodies, to determine direction and navigate the Earth's surface, the sea, or the sky.
Types of Navigation
There are several methods of navigation, including:
Land Navigation: This involves using maps, compasses, landmarks, and GPS systems to navigate on land.
Marine Navigation: Navigating ships and boats across bodies of water using nautical charts, compasses, and electronic navigation systems.
Celestial Navigation: Using the sun, moon, stars, and planets to determine a position and course on the Earth.
Air Navigation: Piloting and navigating aircraft through the sky using instruments, radio navigation aids, and GPS systems.
Tools of Navigation
Various tools are used in navigation, including:
Maps: Visual representation of an area, showing geographical features, roads, and landmarks.
Compass: An instrument for determining directions, often using the Earth'smagnetic field.
GPS (Global Positioning System): A satellite-based navigation system that provides location and time information anywhere on Earth.
Sextant: A tool used in celestial navigation to measure the angle between a celestial body and the horizon.
Chronometer: A highly accurate clock used for determining longitude at sea.
Study Guide
To understand navigation, it is important to study the following topics:
Plan and carry out investigations that explain transference of energy from place to place by sound, light, heat, and electric currents.
Demonstrate that electric circuits require a complete loop through which an electric current can pass.
Design, construct, and test a device that changes energy from one form to another (e.g., electric circuits converting electrical energy into motion, light, or sound energy; a passive solar heater converting light energy into heat energy).