Educational worksheet explaining Earth's rotation and revolution with diagrams and fill-in-the-blank exercises.

Let's solve the guided notes on Rotation and Revolution step by step, using the provided vocabulary list:

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ROTATION

> The Earth’s movement through space affects life on Earth. We experience day and night because of this movement on the Earth’s axis, known as rotation. It takes the Earth 24 hours to rotate one time in which we experience day and night. The Earth’s axis is an invisible line that intersects the Earth through both the North and South poles.

#### ✔ Explanation:
- Rotation is the spinning of the Earth on its axis.
- This motion causes the cycle of day and night.
- The Earth rotates once every 24 hours.
- The axis is an imaginary line running from the North Pole to the South Pole.
- As the Earth spins, different parts face the Sun (day) or away from it (night).

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REVOLUTION

> The Earth moves along a path around the Sun. This path is known as an orbit. One complete trip on this path around the sun is known as a revolution. It takes the Earth 365 1/4 days to complete its journey around the Sun. Every 4 years, we take the extra 1/4 days from the previous years, combine them and add an extra day to the calendar called leap year.

#### ✔ Explanation:
- Revolution refers to the Earth's orbit around the Sun.
- The path is called an orbit, which is nearly circular.
- One full revolution takes about 365.25 days (or 365 1/4 days).
- Since 0.25 days × 4 = 1 day, every four years, we add an extra day (February 29) to keep our calendar aligned with Earth’s orbit — this is called a leap year.

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✔ Final Filled-In Notes:

#### ROTATION
The Earth’s movement through space affects life on Earth. We experience day and night because of this movement on the Earth’s axis, known as rotation. It takes the Earth 24 hours to rotate one time in which we experience day and night. The Earth’s axis is an invisible line that intersects the Earth through both the North and South poles.

#### REVOLUTION
The Earth moves along a path around the Sun. This path is known as an orbit. One complete trip on this path around the sun is known as a revolution. It takes the Earth 365 1/4 days to complete its journey around the Sun. Every 4 years, we take the extra 1/4 days from the previous years, combine them and add an extra day to the calendar called leap year.

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🔍 Vocabulary Used:

- Space – where Earth moves
- Day and night – caused by rotation
- Axis – imaginary line through Earth
- Rotation – spinning on axis
- 24 hours – time for one rotation
- Sun – center of orbit
- Orbit – path around the Sun
- Revolution – full trip around the Sun
- 365 1/4 days – length of one revolution
- 4 years – leap year cycle
- Leap year – extra day added

> Note: "Leap year" was not listed in the word bank but is implied by context. If strictly limited to the given words, you might write “extra day” or leave blank, but based on standard knowledge, leap year fits best.

✔ All answers are logically consistent with Earth science concepts and the provided vocabulary.