NGSS.MS-ESS1-1

The same side of the Moon always faces Earth because the Moon’s period of revolution

• is longer than the Moon’s period of rotation
• equals the Moon’s period of rotation
• is longer than Earth’s period of rotation
• equals Earth’s period of rotation

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In thinking about a solar eclipse, what does the ball in the diagram represent?

• the Earth
• the Moon
• the Sun

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When the visible (lit) portion of the moon is increasing, the moon is:

• waning
• full
• waxing
• new

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What moon phase occurs during a lunar eclipse?

• full moon
• new moon
• 3rd quarter
• waxing crescent

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the moon affects

• the coriolis effect

• global conveyor belt

• the tides

• how we behave

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What causes day and night cycles?

• Mars

• seasons

• Earth's rotation

• moon phases

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NGSS.MS-ESS1-1

The beginning of autumn in North America is in September, but the beginning of autumn in South America is in March. The diagram shows the positions of Earth, the moon, and the sun on one day in September and one day in March.

Why does autumn start in different months of the year in North America and South America?

• Earth's orbit around the sun is not a perfect circle

• North America has a larger landmass than South America

• The moon has a greater pull on South America than on North America

• Earth's axis has a 23.5 degrees tilt

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NGSS.MS-ESS1-1

The image on the right side shows a _____________

• new moon

• solar eclipse

• lunar eclipse

• full moon

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The earth orbits around the sun.

• Rotation

• Revolution

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What Seasons is position D?

• Northern Hemisphere (Summer)/ Southern Hemisphere (Winter)

• Northern Hemisphere (Fall)/ Southern Hemisphere (Spring)

• Northern Hemisphere (Spring)/ Southern Hemisphere (Fall)

• Northern Hemisphere (Winter)/ Southern Hemisphere (Summer)

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NGSS.MS-ESS1-1