Unit 7 – The Sun, Moon & Earth’s Systems

Earth’s revolution around the Sun causes seasons because:

• The Earth is closer to the Sun during summer and farther during winter.

• The tilt of Earth's axis causes different parts of Earth to receive varying amounts of sunlight throughout the year.

• The Sun's energy output changes throughout the year.

• The Earth's rotation speed changes, affecting the climate.

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NGSS.MS-ESS1-1

The position and gravitational pull of the Sun, Earth, and the Moon cause ocean tides by:

• creating a centrifugal force that balances the gravitational pull

• causing the water to bulge on the side of Earth facing the Moon and the opposite side

• increasing the Earth's rotation speed

• decreasing the gravitational pull of the Earth

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Imagine you are a sunbeam traveling from the Sun to Earth. Describe your journey as you shine on different parts of the Earth during its orbit. How does your angle change during the year, and what effect does this have on the seasons?

• The angle of sunlight changes due to Earth's tilt, causing different seasons.

• The angle of sunlight remains constant, having no effect on seasons.

• The angle of sunlight changes randomly, affecting weather but not seasons.

• The angle of sunlight changes due to Earth's distance from the Sun, affecting seasons.

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NGSS.MS-ESS1-1

NGSS.MS-ESS2-6

Create a travel guide for visitors to Earth explaining the best times to visit different parts of the world based on the seasons. Include how the Earth’s tilt and orbit around the Sun affect the weather and activities during each season.

• What is the best time to visit different parts of the world based on the seasons?

• How does the Earth's tilt and orbit around the Sun affect the weather and activities during each season?

• Create a travel guide for visitors to Earth explaining the best times to visit different parts of the world based on the seasons.

• Explain the impact of Earth's tilt and orbit on seasonal weather and activities.

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NGSS.MS-ESS1-1

NGSS.MS-ESS2-6

The Moon describes its journey around the Earth and its gravitational pull affects the ocean tides. What are the differences between daily, spring, and neap tides from the Moon’s point of view?

• Daily tides occur twice a day, spring tides are the highest tides, and neap tides are the lowest tides.

• Daily tides occur once a day, spring tides are the lowest tides, and neap tides are the highest tides.

• Daily tides occur twice a day, spring tides are the lowest tides, and neap tides are the highest tides.

• Daily tides occur once a day, spring tides are the highest tides, and neap tides are the lowest tides.

Tags

NGSS.MS-ESS1-1

Create a tidal calendar for a coastal town. Describe the daily high and low tides and predict the spring and neap tides for the month. Explain to the town’s residents how the Earth, Sun, and Moon’s positions cause these changes.

• What causes the daily high and low tides in a coastal town?

• How do the positions of the Earth, Sun, and Moon affect the tides?

• What is the difference between spring and neap tides?

• How can residents predict the spring and neap tides for the month?

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The effect of the Earth's tilt and its revolution around the Sun is:

• The change in weather patterns

• The occurrence of day and night

• The changing seasons

• The gravitational pull on the Moon

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NGSS.MS-ESS1-1

NGSS.MS-ESS2-6

The student is expected to model and illustrate how the tilted Earth revolves around the Sun, causing changes in the seasons.

• True

• False

Tags

NGSS.MS-ESS1-1

Describe and predict how the positions of the Earth, Sun, and Moon cause daily, spring, and neap cycles of ocean tides due to gravitational forces.

• The gravitational pull of the Moon and Sun causes tides, with spring tides occurring when the Earth, Sun, and Moon are aligned, and neap tides when they form a right angle.

• Tides are caused by the rotation of the Earth, with spring tides occurring during the day and neap tides at night.

• The gravitational pull of the Sun alone causes tides, with spring tides occurring in summer and neap tides in winter.

• Tides are caused by the wind, with spring tides occurring during storms and neap tides during calm weather.

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NGSS.MS-ESS1-1

Fill in the blank: The student is expected to _______ and predict how the positions of the Earth, Sun, and Moon cause ocean tides due to gravitational forces.

• fill in the blank

• analyze

• ignore

• misinterpret

Tags

NGSS.MS-PS2-4