Astronomy Quiz 04

Which moon phase appears highest in the sky at midnight to an observer on Earth?

• first quarter

• full moon

• third quarter

• new moon

Answer explanation

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NGSS.MS-ESS1-1

The accompanying diagram shows the moon in different positions as it revolves around Earth, as observed from above the North Pole (NP).

Which image below correctly represents the Moon at position 8, as observed from Earth?

• A

• B

• C

• D

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Which diagram sequence correctly shows the order of Moon phases, as viewed from Earth, for a period of one month? (Note that some phases have been omitted.)

• A

• B

• C

• D

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Which sequence of Moon phases could be observed from Earth during a two-week period?

• A

• B

• C

• D

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NGSS.MS-ESS1-1

The diagram below shows the Moon as it revolves around Earth. The numbered locations represent different positions of the Moon in its orbit.

Which Moon phase would be seen by an observer in Washington State when the Moon is at position 2?

• A

• B

• C

• D

Answer explanation

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The photographs below show the surface of the Moon as seen from Earth over an 80-minute period during a single night. Which motion is responsible for this changing appearance of the moon?

• The Moon moves into the shadow of the Earth.

• The Moon moves into the shadow of the sun.

• The Sun moves into the shadow of the Earth.

• The Sun moves into the shadow of the Moon.

Answer explanation

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The diagram shows the relative positions of the Sun, the Moon, and Earth when an eclipse was observed from Earth. Positions A and B are locations on Earth's surface. Which statement correctly describes the type of eclipse that was occurring and the position on Earth where this eclipse was observed?

• A lunar eclipse was observed from position A.

• A lunar eclipse was observed from position B.

• A solar eclipse was observed from position A.

• A solar eclipse was observed from position B.

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What is represented by the diagram?

• changing phases of the Sun

• changing phases of the Moon

• stages in an eclipse of the Sun

• stages in an eclipse of the Moon

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The diagram shows Earth's orbit around the Sun and different positions of the Moon as it travels around Earth. Letters A through D represent four different positions of the Moon. At which position is an eclipse of the Moon most likely to occur?

• A

• B

• C

• D

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The diagram represents the Moon at four positions, labeled A, B, C, and D, in its orbit around the Earth. The position of the full-Moon phase is labeled. Solar and lunar eclipses rarely happen during a cycle of phases because the:

• Moon's orbit is circular and Earth's orbit is elliptical.

• Moon's orbit is elliptical and Earth's orbit is elliptical.

• plane of the Moon's orbit is different from the plane of Earth's orbit.

• plane of the Moon's orbit is the same as the plane of Earth's orbit.

Answer explanation

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