8.7 A. Earth's rotation and revolution.

8.7 A. Earth's rotation and revolution.

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Flashcard

Science

8th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is Earth's rotation?

Back

Earth's rotation is the spinning of the Earth on its axis, which takes approximately 24 hours to complete one full turn.

2.

FLASHCARD QUESTION

Front

What is Earth's revolution?

Back

Earth's revolution is the movement of the Earth around the Sun, which takes about 365.25 days to complete one full orbit.

3.

FLASHCARD QUESTION

Front

How does Earth's rotation affect day and night?

Back

As Earth rotates, different parts of the planet face the Sun, resulting in day for those areas, while the opposite side experiences night.

4.

FLASHCARD QUESTION

Front

What happens to the length of a day if Earth's rotation speed increases?

Back

If Earth's rotation speed increases, the length of a day would become shorter.

5.

FLASHCARD QUESTION

Front

What is the significance of the tilt of Earth's axis?

Back

The tilt of Earth's axis (approximately 23.5 degrees) is responsible for the changing seasons as different hemispheres receive varying amounts of sunlight throughout the year.

6.

FLASHCARD QUESTION

Front

What is the summer solstice?

Back

The summer solstice is the longest day of the year, occurring when one hemisphere is tilted closest to the Sun.

7.

FLASHCARD QUESTION

Front

What is the winter solstice?

Back

The winter solstice is the shortest day of the year, occurring when one hemisphere is tilted farthest from the Sun.

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