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Understanding Moon Rotation and Revolution: Insights from Earth's Moon

This lesson explores the fascinating relationship between the Earth and its Moon, focusing on the Moon's rotation and revolution. Students will learn that the Moon does indeed rotate, with its rotation period matching its revolution around Earth, resulting in the same side always facing us. The lesson includes hands-on activities to engage students, such as acting out the Earth and Moon dynamics. Key facts about the Moon's surface features, such as maria and highlands, and the impact of meteoroids are also discussed, providing a comprehensive understanding of Earth's celestial companion.

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Understanding Moon Rotation and Revolution: Insights from Earth's Moon

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  1. Warm Up, March 26, 2013 Fact: On earth we only ever see the same side of the moon. In other words, it is phase locked. Question for you: Can/does the moon rotate? Or does it just revolve around earth? Explain your thinking.

  2. It does rotate! • The moon’s rotation is the same length as its revolution around earth. • Try It! • Pick a partner. One of you act as the earth and one act as the moon.

  3. Agenda • Warm Up • Correct HW • 12.4 Notes “The Moon” • Earth’s Moon Investigation Lab • Cool Down

  4. 12.4 The Moon • Galileo invented a telescope like the one below and was the first person to view the moon through it. • He was able to see details of the moon no one had seen before.

  5. Earth’s Moon Facts • Size: 3,476 km in diameter (about the same distance as going from LA to NY) • No atmosphere • No iron core, so no magnetic fields • Temperature range: -180°F to 300°F • No liquid water • Phase Locked: we always see the same side of the moon from earth • About 4.6 billion earth-years old or 4 600 000 000 years. • Largest moon relative to its planet in our solar system • One-sixth of earth’s gravity

  6. The Moon’s Surface • Maria – Latin for “seas”, these are the dark lowland areas, ancient people thought these were oceans. • Highlands – The lighter regions of the moon are the highlands

  7. Craters • The moon has no atmosphere, or layer of gases around it to protect it from meteoroids. • Meteoroids are simply chunks of rock that are moving in space. (Because of Newton’s 1st Law, they keep moving until they hit something – like the moon) • Most craters are found in the highlands and not in maria.

  8. Shooting Stars on Earth • When small meteoroids are on a collision course with earth, they usually burn up in our atmosphere. • We call them “shooting stars” although they are not “stars” at all. • It the meteoroid reaches earth’s surface, we call it a meteorite.

  9. Cool Down • Title: Earth vs Earth’s Moon Double Bubble Map • P. 491 #1a-c, 2a-c, 3a-c • 12.4 Vocabulary Booklet (4 words) • Finish “Earth’s Moon Investigation Lab” • Start “Observations of the Moon Assignment” Homework

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