Earth, Moon, and Sun Amplify Vocabulary

Which of these things is true about the Moon?

• The Moon is always moving around Earth in a circle.

• The Moon is always in the same position in Earth’s sky.

• The Moon is always moving in many changing patterns around Earth.

• The Moon is always moving back and forth across Earth’s sky.

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What is the definition of TERMINATOR?

• a rocky sphere that travels around a planet

• to shine light on an object and make it visible

• the star that is the main source of light at the center of our solar system

• the border between light and dark on the Moon

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The Moon does not make its own light. The sun illuminates the Moon.

• TRUE

• FALSE

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Shira looked up one night and saw a full moon. How long will it be before she can see a full moon again?

• About one week.

• About one month.

• There is no way to tell because the Moon’s pattern is always changing.

• It could be two weeks or a month, depending on what time of year it is.

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The diagram above shows Earth and the Moon from above (top view). Why is there a dotted circle drawn in this diagram?

• To show that the Moon is always moving around Earth in a circle.

• To show the locations of satellites that are in Earth’s atmosphere.

• To show the way that the Moon can move back and forth across Earth’s sky.

• To show the locations where the sun’s light can reach the Moon.

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Three students made the diagrams above to show what they think the Moon looks like when it is seen from above (top view). In these diagrams, the sunlight is coming from the left, as shown by the arrows.

Which diagram is accurate and why?

• Diagram A is accurate.

• Diagram B is accurate.

• Diagram C is accurate

• All three diagrams are sometimes accurate

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Is there a pattern to the position of the Moon?

• Yes-because the Moon orbits around Earth.

• Yes-because the Moon gets closer or farther away from the sun.

• No-the moon appears in the sky at different times and is unpredictable.

• No-the moon never moves or changes.

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a moon phase that looks like less than a half circle from Earth

• exomoon

• full moon

• crescent moon

• gibbous moon

• quarter moon

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the shape of the illuminated part of the Moon as it appears from Earth

• lunar eclipse

• moon phase

• orbit

• sun

• model

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What causes the different phases of the Moon as observed from Earth?

• The Earth's shadow on the Moon

• The Moon's orbit around Earth

• The Sun's position relative to Earth

• The Moon's distance from the Sun

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