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This hemisphere contains approximately 68% of Earth's landmass and is home to about 90% of the global population. [4] It includes North America, Europe, Asia, and most of Africa. Southern Hemisphere: The half that lies south of the Equator. It contains approximately 32% of Earth's landmass and is home to about 10% of the global population.
In this lesson, we will be learning about hemispheres, which divide the world into two equal halves. We will explore the Northern and Southern hemispheres as well as the Equator, an imaginary line which circles around the Earth, halfway between the North and South Poles. Download all resources. Share activities with pupils.
- Overview
- In geometry
- Earth’s four hemispheres
hemisphere, in geometry and geography, half of a sphere. Although any spherical body can be divided into an infinite number of hemispheres, geographers often divide Earth’s surface into four hemispheres that are separated by two great circle routes—that is, lines that represent the shortest distances that can be drawn between two points on the surf...
In geometry, a sphere is the set of all points in three-dimensional space lying the same distance (the radius) from a given point (the center); a hemisphere is half of a sphere, cut along the diameter. The curved surface area and volume of a hemisphere can be calculated by using the equations 2πr2 and (2/3)πr3, respectively. In both cases, r is the...
Earth’s surface is often divided into the Northern and Southern hemispheres and, separately, into the Eastern and Western hemispheres. The geographic Equator, which occurs at 0° latitude, is the partition between the Northern Hemisphere and the Southern Hemisphere, with locations north of the Equator being considered part of the former and places south of the Equator making up the latter. The Northern Hemisphere contains 67–68 percent of Earth’s land and includes North America, Central America, Europe, a small part of South America, about half of Africa, and all of mainland Asia. The remaining 32–33 percent of Earth’s terrestrial environments are found in the Southern Hemisphere, which contains the rest of Africa, most of South America, all of Australia and Antarctica, and most of the islands of the Indonesian archipelago (including the island of New Guinea).
Earth’s Eastern and Western hemispheres are divided by the great circle formed by the prime meridian (or Greenwich meridian), which connects Earth’s geographic North and South poles at 0° longitude, and the line at 180° longitude, which roughly corresponds to the International Date Line that bisects the Pacific Ocean. The Eastern Hemisphere lies east of 0° longitude and west of 180° longitude, and it includes almost all of Europe and Africa and all of Asia and Australia. The Western Hemisphere, which contains North America and South America, lies west of 0° longitude and east of 180° longitude. (To ensure that all of Europe and Africa are placed wholly within the Eastern Hemisphere, the boundaries between the Eastern and Western hemispheres are sometimes delineated along longitudes 20° W and 160° E.) About half of Antarctica lies in the Eastern Hemisphere, and about half lies in the Western Hemisphere. Africa is the only continent with parts in each of Earth’s four hemispheres.
- John P. Rafferty
Mar 6, 2024 · The word "hemisphere" is usually used to refer to halves of Earth, but it is also used to identify the halves of the brain. The brain is divided down the middle into the right and left hemispheres. Each brain hemisphere is considered to be specialized for certain behaviors. For example, the right hemisphere of the brain controls muscles on the ...
8.350022 minutes. While Earth is only the fifth largest planet in the solar system, it is the only world in our solar system with liquid water on the surface. Just slightly larger than nearby Venus, Earth is the biggest of the four planets closest to the Sun, all of which are made of rock and metal. Earth is the only planet in the solar system ...
The Eastern Hemisphere lies east of 0° longitude and west of 180° longitude. It includes almost all of Europe and Africa and all of Asia and Australia. About half of Antarctica lies in the Eastern Hemisphere, and about half lies in the Western Hemisphere. A hemisphere is half of a sphere, or ball. People use the word to describe one half of ...
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Why are half spheres called hemispheres?
A sphere can be imagined to be cut in half either horizontally or vertically. Half-spheres, or hemispheres, are the result. This imaginary division into hemispheres is useful in identifying large parts of the globe and in studying aspects of the Earth’s motions. (Although it does not affect the use of the word hemisphere, it should be noted ...
