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Fun Video: The Moon and its Phases Video Lecture - Class 8

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00:36 Why the Moon Has Phases
01:05 Spheres in Orbit
02:25 Name of the Moon Phases
07:48 How We See It

FAQs on Fun Video: The Moon and its Phases Video Lecture - Class 8

1. What are the phases of the Moon?
Ans. The phases of the Moon refer to the different shapes and appearances the Moon takes on as it orbits around the Earth. The main phases include New Moon, Waxing Crescent, First Quarter, Waxing Gibbous, Full Moon, Waning Gibbous, Third Quarter, and Waning Crescent.
2. How long does it take for the Moon to go through all its phases?
Ans. It takes approximately 29.5 days for the Moon to complete one cycle of all its phases. This is known as a lunar month or synodic month and is slightly longer than the Moon's orbital period around the Earth.
3. What causes the phases of the Moon?
Ans. The phases of the Moon are caused by the changing positions of the Moon, Earth, and Sun. The phases occur because the Moon reflects sunlight, and as it orbits the Earth, different portions of its illuminated surface become visible from our perspective on Earth.
4. Why does the Moon appear to change shape?
Ans. The Moon appears to change shape because of the varying amounts of sunlight that reach different parts of its surface. As the Moon orbits the Earth, the angle between the Sun, Earth, and Moon changes, resulting in different portions of the Moon being illuminated and visible to us.
5. Can the phases of the Moon affect Earth's tides?
Ans. Yes, the phases of the Moon have a significant impact on Earth's tides. The gravitational pull of the Moon, along with the Sun, creates tidal bulges on Earth, resulting in the rise and fall of tides. The alignment of the Sun, Moon, and Earth during the Full Moon and New Moon phases leads to higher high tides, known as spring tides, while the First Quarter and Third Quarter phases cause lower high tides, known as neap tides.
Video Timeline
Video Timeline
arrow
00:36 Why the Moon Has Phases
01:05 Spheres in Orbit
02:25 Name of the Moon Phases
07:48 How We See It
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