"The Movement of the Earth" Sun, Earth and Moon System PPT Courseware

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"The Movement of the Earth" Sun, Earth and Moon System PPT Courseware

prime meridian

There is a Meridian Palace on the former site of the Greenwich Observatory in England. There is a copper meridian more than ten centimeters wide and more than ten meters long. The copper meridian is embedded in the middle of the marble and extends straight from the Meridian Palace. It is the ground symbol of the Prime Meridian.

Earth's rotation and revolution

Earth's rotation

Please draw a side view of the Earth's rotation direction, a top view of the North Pole, and a top view of the South Pole.

The map should show the prime meridian, 90 degrees east and west longitude, 180 degrees longitude, the equator, the Tropic of Cancer, and the polar circle.

The moving range of the direct sun point?

When of the year is the direct point of the sun in the Northern Hemisphere?

When is the sun's direct point in the southern hemisphere moving north?

Where does the direct point of the sun move from the summer solstice to the winter solstice?

There is direct sunlight a year at the equator

There are direct radiation in various places along the Tropic of Cancer every year.

Between the Tropic of Cancer and the Tropic of Cancer, there are direct sunlight every year

Where does the direct sun fall today? In what direction will it move after today?

The yellow-red intersection angle and the sun's direct point move

1. How many times a year does the area north of the Tropic of Cancer get direct sunlight?

2. How many times a year does the sun shine directly on the Tropic of Cancer?

3. How many times a year does the area between the two Tropics receive direct sunlight?

4. How many times a year does the area south of the Tropic of Capricorn receive direct sunlight?

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"Explanation of Polar Day and Polar Night" PPT download of the movement of the earth:

"Explanation of Polar Day and Polar Night" PPT Download of Earth's Movement Part One: Exploring New Knowledge The phenomenon of polar day and polar night The phenomenon of polar day and polar night is the result of the tilt of the earth's axis causing sunlight to hit the polar regions at different times. So people in the polar regions can see the sun for a period of time...

"Explanation of Polar Day and Polar Night" Earth's Movement PPT:

"Explanation of Polar Day and Polar Night" PPT on the Movement of the Earth Part One: The Phenomenon of Polar Day and Polar Night There are many strange things in the Antarctic and Arctic of the Earth, one of which is that the polar day or night is very long. In the northern hemisphere summer, the sun always hangs over the North Pole..

"Why there are four seasons in a year" PPT download of the movement of the earth:

"Why there are four seasons in a year" PPT download of the movement of the earth Part One: Exploring new knowledge The ancients used the method of studying the four seasons: pole measurement and publishing the measurement results. The length of the pole shadow will be used as a known condition for studying the four seasons and used to judge the seasons..

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Update Time: 2024-11-20

This template belongs to science courseware People's Education Press Sixth Grade Science Volume 1 industry PPT template

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