Exploring the Phases of the Moon

The video explains the phases of the Moon, which are caused by its spherical shape and orbit around Earth. As the Moon orbits, the angle at which sunlight hits it changes, creating different phases: new, waxing crescent, first quarter, waxing gibbous, full, waning gibbous, third quarter, and waning crescent. The video also discusses the concept of Earthshine and how the Moon's phases affect its visibility from Earth.

What makes the Moon the most noticeable object in the sky after the Sun?

• Its high speed across the sky

• Its bright and silvery appearance

• Its large size

• Its sound

Why does the Moon appear bright to us?

• It's very close to Earth

• It's covered in reflective materials

• It reflects sunlight

• It generates its own light

What causes the phases of the Moon?

• Changes in the Moon's size

• The Moon's spherical shape and its orbit

• The Moon's own light

• The Earth's shadow on the Moon

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What is the term for the line that divides the Moon's day and night sides?

• Equator

• Horizon

• Terminator

• Ecliptic

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How often does the Moon orbit the Earth?

• Every 7 days

• Every 24 hours

• Every 29.5 days

• Every 365 days

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What phase is the Moon in when it's directly between the Earth and the Sun?

• First Quarter

• Full Moon

• Last Quarter

• New Moon

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During which Moon phase does it appear as a thin crescent?

• Waning Gibbous

• New Moon

• Waxing Crescent

• First Quarter

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What is the term used when the Moon appears more than half illuminated but not yet full?

• Waxing Crescent

• Waning Crescent

• Waxing Gibbous

• New Moon

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What does a 'waning crescent' Moon phase indicate?

• The Moon is moving away from Earth

• The Moon is becoming a New Moon

• The illuminated part of the Moon is getting smaller

• The Moon is getting closer to the Sun

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NGSS.MS-ESS1-1

What phenomenon allows us to see the 'dark' part of the Moon during its crescent phase?

• Sunspots

• Earthshine

• Lunar Luminosity

• Solar Reflection

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NGSS.MS-ESS1-1