The video introduces Unit 8, focusing on the patterns of the sun, earth, and moon system. It explains the moon's orbit and its phases, detailing each phase such as crescent, quarter, full, and new moon. The video also discusses how the moon's gravitational pull affects tides, causing high and low tides. Finally, it concludes with instructions for watching the next video and taking a quiz.

What is the primary focus of Unit 8?

• Volcanic activities on Earth

• The life cycle of stars

• Patterns of the sun, earth, and moon system

• The water cycle on Earth

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NGSS.MS-ESS1-1

How long does it take for the moon to complete its orbit around Earth?

• 30 days

• 27.3 days

• 24 hours

• 29.5 days

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NGSS.MS-ESS1-1

What phase occurs when the moon is directly between the Earth and Sun?

• First quarter

• Last quarter

• New moon

• Full moon

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NGSS.MS-ESS1-1

During which moon phase can a solar eclipse occur?

• Full moon

• New moon

• Waxing gibbous

• Waning crescent

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NGSS.MS-ESS1-1

What is the difference between a waxing crescent and a waning crescent?

• There is no difference.

• The waning crescent occurs after a new moon, while the waxing crescent occurs before a new moon.

• The waxing crescent is larger than the waning crescent.

• The waxing crescent occurs after a new moon, while the waning crescent occurs before a new moon.

Tags

NGSS.MS-ESS1-1

Which phase follows the waxing gibbous moon?

• Last quarter

• First quarter

• New moon

• Full moon

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What is the term used when the moon is on the opposite side of the Earth from the sun?

• Conjunction

• Opposition

• Solar eclipse

• Lunar eclipse

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NGSS.MS-ESS1-1

Which moon phase occurs when more than half of the lit portion of the Moon can be seen and the shape decreases in size from one day to the next?

• Waxing gibbous

• New moon

• First quarter

• Waning gibbous

Tags

NGSS.MS-ESS1-1

How many high tides occur each day in most coastal areas?

• One

• Three

• Two

• Four

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NGSS.MS-ESS1-2

What causes the tides on Earth?

• Earth's rotation

• The moon's gravitational pull

• The moon's rotation

• The sun's gravitational pull

Tags

NGSS.MS-ESS1-2

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