Coordinate System

Venn Diagram: Map and Globe

Simple video animation (watch the short video to answer the following Guide Questions):

Guide Questions:

1. What are the four imaginary lines on the globe?

2. At what degree is the equator located?

Coordinate System

• an arrangement of reference lines or imaginary lines on the globe
• can determine and describe the position or location of any place on the Earth’s surface

Imaginary lines on the globe:

• latitude
• longitude
• equator
• prime meridian

Latitude 

- a horizontal imaginary line running from east to west on the Earth’s surface

 

 

Lines of Latitude or Parallels

• lines that run parallel to the equator and never intersect
• get smaller towards the poles than closer to the equator
• measured in degrees

Longitude 

- a vertical imaginary line running from the North Pole to the South Pole

 

 

Lines of Longitude or Meridians

• important for setting time zones
• measured in equal degrees per line

Equator 

- an imaginary line dividing the Earth’s surface into two hemispheres;

• the Northern Hemisphere – half of the globe from the equator to the North Pole,
• the Southern Hemisphere – half of the globe from the equator to the South Pole

Prime Meridian 

• an imaginary line dividing the Earth’s surface into two hemispheres; Western Hemisphere and Eastern Hemisphere
• serves as a reference point for measuring the distance east or west, located at zero degrees at Greenwich, England

Credits:

• SCIENCE-7-Q4-SLM1-3.pdf
• Science7_Q4_M1B_v2
• www.canva.com
• en.m.wikipedia.org

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