Diagram of the Globe Showing Important Lines

There are several important lines on the globe that help us understand the Earth's geography and climate. These include the Earth's axis, the Equator, the Tropics of Cancer and Capricorn, and the Arctic and Antarctic Circles.

The Earth's Axis

The Earth's axis is an imaginary line that runs from the North Pole to the South Pole. It is tilted at an angle of 23.5 degrees relative to the plane of the Earth's orbit around the Sun. This tilt is responsible for the changing seasons on Earth.

The Equator

The Equator is an imaginary line that circles the Earth at 0 degrees latitude. It divides the Earth into the Northern Hemisphere and the Southern Hemisphere. The Equator is the warmest part of the Earth because it receives the most direct sunlight.

The Tropics of Cancer and Capricorn

The Tropics of Cancer and Capricorn are two imaginary lines that circle the Earth at approximately 23.5 degrees latitude. They mark the northernmost and southernmost points where the Sun can appear directly overhead. These regions are characterized by hot and humid climates.

The Arctic and Antarctic Circles

The Arctic and Antarctic Circles are two imaginary lines that circle the Earth at approximately 66.5 degrees latitude. They mark the points where the Sun remains above or below the horizon for 24 hours during the summer and winter solstices. These regions are characterized by extreme cold and long periods of darkness or daylight.

In summary, the Earth's axis, Equator, Tropics of Cancer and Capricorn, and Arctic and Antarctic Circles are important lines on the globe that help us understand the Earth's geography and climate.