Section 1 Latitude and Longitude Lines of latitude

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Section 1: Latitude and Longitude Lines of latitude and longitude are used to locate

Section 1: Latitude and Longitude Lines of latitude and longitude are used to locate places on Earth. Essential Questions What is the difference between latitude and longitude? Why is it important to give a city’s complete coordinates when describing its location? Why are there different time zones from one geographic area to the next?

Vocabulary Review New • • time zone Copyright © Mc. Graw-Hill Education cartography equator

Vocabulary Review New • • time zone Copyright © Mc. Graw-Hill Education cartography equator latitude longitude prime meridian International Date Line Latitude and Longitude

Latitude • Maps are flat models of three-dimensional objects. • The science of mapmaking

Latitude • Maps are flat models of three-dimensional objects. • The science of mapmaking is called cartography. Copyright © Mc. Graw-Hill Education Latitude and Longitude

Latitude • The equator is an imaginary horizontal line located at 0° latitude that

Latitude • The equator is an imaginary horizontal line located at 0° latitude that circles Earth and separates it into two equal halves. • Latitude is the distance in degrees north or south of the equator. • Lines of latitude run parallel to the equator. Copyright © Mc. Graw-Hill Education Latitude and Longitude

Latitude • The value in degrees of each line of latitude is determined by

Latitude • The value in degrees of each line of latitude is determined by measuring the imaginary angle created between the equator, the center of Earth, and the line of latitude. Copyright © Mc. Graw-Hill Education Latitude and Longitude

Longitude • Longitude is the distance in degrees east or west of the prime

Longitude • Longitude is the distance in degrees east or west of the prime meridian. • The prime meridian is an imaginary line that represents 0° longitude. • Lines of longitude, also called meridians, are semicircles that extend vertically from pole to pole. Copyright © Mc. Graw-Hill Education Latitude and Longitude

Longitude • The degree value of each line of longitude is determined by measuring

Longitude • The degree value of each line of longitude is determined by measuring the imaginary angle between the prime meridian, the center of Earth, and the line of longitude. Copyright © Mc. Graw-Hill Education Latitude and Longitude

Longitude Using coordinates • Both latitude and longitude are needed to locate precise positions

Longitude Using coordinates • Both latitude and longitude are needed to locate precise positions on Earth. Copyright © Mc. Graw-Hill Education Latitude and Longitude

Longitude Time Zones • In most cases, each of Earth’s 24 time zones corresponds

Longitude Time Zones • In most cases, each of Earth’s 24 time zones corresponds roughly to a line of longitude and represents a different hour. However, there are some exceptions. Copyright © Mc. Graw-Hill Education Latitude and Longitude

Longitude • The International Date Line, 180° meridian, serves as the transition line for

Longitude • The International Date Line, 180° meridian, serves as the transition line for calendar days. • Traveling west across the International Date Line advances your calendar one day. • Traveling east moves your calendar back one day. Copyright © Mc. Graw-Hill Education Latitude and Longitude

Review Essential Questions • What is the difference between latitude and longitude? • Why

Review Essential Questions • What is the difference between latitude and longitude? • Why is it important to give a city’s complete coordinates when describing its location? • Why are there different time zones from one geographic area to the next? Vocabulary • cartography • equator • latitude Copyright © Mc. Graw-Hill Education • longitude • prime meridian • International Date Line Latitude and Longitude

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Section 1 Latitude and Longitude Lines of latitudeSection 1 Latitude and Longitude Lines of latitude