Lesson 2 Earth's Tilted Axis

Which of the following describes Earth's position in relationship to the sun at an equinox?

• When the North and South Poles switch positions, Earth experiences an equinox

• When the South Pole is closer to the sun than the North Pole, Earth experiences an equinox

• When the North Pole is closer to the sun than the South Pole, Earth experiences an equinox

• When the North and South Poles are equal distance from the sun, Earth experiences an equinox.

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NGSS.MS-ESS1-1

What causes the sunrise to appear near different rocks at different times of the year?

• Earth rotates on its axis at different speeds during different times of the year

• Earth rotates on its axis at the same speed during different times of the year.

• The sun's path in the sky begins and ends in slightly different places during the year.

• The sun's path in the sky always begins and ends in the same place during the year.

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Why does the Northern Hemisphere have winter while the Southern Hemisphere has summer?

• The differences in the seasons are caused by the speed of rotation of Earth.

• The difference in the seasons are caused by the locations at different longitudes.

• The differences in the seasons are caused by the hemispheres experiencing different day and night cycles.

• The differences in the seasons are caused by changes in the position of Earth's axis relative to the sun.

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NGSS.MS-ESS1-1

The tropics are the furthest latitudes north and south of the equator at which sunlight hits Earth's surface at a 90 degree angle. Which of the following occurs during a solstice?

• The length of day and night are equal.

• The sun is equal distance from both tropics.

• The sun is directly overhead at the equators at noon.

• The sun is directly overhead of one of the tropics at noon.

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NGSS.MS-ESS1-1

Which explanation describes the cause and effect relationship affecting the amount of daylight observed in an one month at one location?

• The amount of daylight observed is affected by Earth's distance from the sun.

• The amount of daylight observed is affected by Earth's vertical movement on its orbital plane.

• The amount of daylight observed is affected by the amount of sunlight coming from the sun.

• The amount of daylight observed is affected by the tilt of Earth's axis relative to the sun.

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Which date represents the shortest day of the year for the Southern Hemisphere?

• December 21/22

• March 20/21

• June 20/21

• September 21/22

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Which month marks the start of summer in the Southern Hemisphere?

• August

• February

• December

• June

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Which of these describes the behavior of the sun during winter?

• It rises earlier in the morning and sets earlier in the evening

• It rises later in the morning and sets earlier in the evening

• It rises later in the morning and sets later in the evening

• It rises earlier in the morning and sets later in the evening.

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NGSS.MS-ESS1-1

Which of these best describes a seasonal pattern?

• leaves falling off trees in autumn for 10 years

• the sun rising and setting in the same directions for 1 week

• a cold storm in the middle of summer once in 100 years

• the sun staying longer in the sky during summer compared to winter for 1 year

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NGSS.MS-ESS2-6

How does the Earth's shape affect the way that sunlight hits it?

• Sunlight never hits Earth at different angles

• Sunlight always hits Earth at the same angle

• Sunlight only touches some parts of Earth and not others

• Sunlight always hits different parts of Earth at different angles