How are days and nights caused?

Answer 1

The Earth rotates on an imaginary axis which runs from the North Pole to the South Pole. It takes the Earth 24 hours to rotate on its axis.

When we wake up it appears the Sun rises in the East and when we go to sleep it sets in the West. The Sun is not actually moving, it is the Earth which is rotating about its axis.

The Earth also rotates around the Sun while it is rotating about its own axis. This axis gives us the Seasons. When the Earth's axis is pointing towards the Sun, the days are longer because we get sunlight for longer but when the Earth has rotated around to the other side of the Sun, the days get shorter because the axis is now pointing away from the Sun. The days gets shorter and the nights get longer.

It takes the Earth 365 1/4 days to orbit the Sun. So we have only 365 days in a year and then every 4 years we have 366 days because we add the 1/4 to make a whole day. The moon rotates around the Earth, taking approximately 28 days, this gives us the phases of the moon.

Answer 2

The planet rotates around as it spins around the sun. Day is caused when that part of the world is facing the sun and the light shines on it, and night is caused when the sun is on the other side of the planet and is not shining on that part.

Answer 3

The rotation of the Earth on its axis means the Sun can only provide daylight and darkness on a portion of the Earth at any one time. Therefore each part of the Earth will experience daylight and darkness in their turn.

Answer 4

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Answer 5

The rotation of the Earth causes day and night.

Answer 6

Days are caused by the Earth's rotation and where the Sun is shining.

Answer 7

how days and nights are caused

Answer 8

The rotation of the earth