Unit 6 Sun, Moon, Earth, Lunar Cycle, Ocean Tides

Which answer choice best explains the change from day to night on Earth?

• The sun stops sending light to earth at night

• The earth moves farther away from the sun at night

• The tilt of the earth causes less sun to reach the earth at night.

• The Earth rotates and causes different parts of the earth to experience night.

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Which statements are true when Earth is in this position?

• It is August in the Northern Hemisphere and April in the Southern Hemisphere.

• It is summer in the Northern Hemisphere and winter in the Southern Hemisphere.

• The number of hours of daylight is greater in the Southern Hemisphere than the Southern Hemisphere.

• Spring begins earlier in the Southern Hemisphere than in the Northern Hemisphere.

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NGSS.MS-ESS2-6

An illustration is provided showing the the relative motions of Earth and the Sun. Seasonal variations on Earth would be significantly changed if which of the following were changed?

• The speed of rotation of Earth.

• The direction of orbit of Earth.

• The speed of rotation of the Sun.

• 
  The angle of tilt of Earth’s axis.

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The Sun appears to rise and set because of which of the following?

• The Sun is much larger than the Earth.

• 
  The Earth rotates on its axis.

• 
  The Sun’s gravity is very strong.

• The axis of the Earth is tilted.

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The axis of the Earth is tilted.

• the orbit of the moon around the Earth.

• the Sun having a large gravitational pull.

• 
  the continual rotation of Earth on its tilted axis.

• the tilt of the Earth and its orbit around the Sun.

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Students are modeling the Earth, the Sun, and their relative motions. A basketball is used to represent the Sun, and a tennis ball is used to represent Earth. In order to accurately model the cause of day and night on the Earth, the students must –

• 
  lift the tennis ball off the table.

• 
  rotate the tennis ball on an axis.

• rotate the basketball on an axis.

• move the tennis ball around the basketball.

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Which position on the diagram best represents the position of the Earth and Sun when it is winter in the Northern Hemisphere?

• Position A

• Position B

• Position C

• Position D

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Which position on the diagram best represents the position of the Earth and Sun when it is summer in the Northern Hemisphere?

• Position A

• Position B

• Position C

• Position D

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Which moon phase will most likely be present on September 9?

• Waning Crescent

• New Moon

• Waning Gibbous

• First Quarter Moon

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A new moon is visible on Earth when the Sun, Moon and Earth are positioned so that the Moon -

• is on the opposite side of Earth from the Sun.

• forms a right angle with Earth and the Sun.

• can’t be seen from Earth or the Sun.

• is in between Earth and the Sun.

Tags

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