8b The Moon.ppt
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This document presents information about the phases of the moon. It begins with objectives to explain the causes of lunar phases and describe each phase. It then defines key terms like perigee, apogee, and lunar orbit. Diagrams are included that illustrate the positions of the earth, moon and sun during each phase of the moon's cycle. The full phases from new to full moon to new again are depicted and labeled over a 29 day period.
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1) The Earth, Sun and Moon exist in a complex system of orbits where the Moon revolves around the Earth and the Earth revolves around the Sun.
2) As the Moon orbits the Earth, the illuminated portion that we see from Earth changes in a cycle called phases, ranging from new moon to full moon and back over about two weeks.
3) Lunar and solar eclipses occur when the Moon passes between the Earth and Sun, casting its shadow on either the Moon or Earth, and can be total or partial depending on the alignment of the three bodies.
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The document summarizes information about the moon and its phases as seen from Earth. It begins with an introduction to celestial objects like stars, planets, and moons. It then discusses specific details about the moon, including that it has no atmosphere and takes about 27 days to orbit Earth. The document also explains that the phases of the moon are caused by the changing positioning of the moon in its orbit around Earth as seen from our perspective. It outlines the eight main phases - new moon, waxing crescent, quarter moon, waxing gibbous, full moon, waning gibbous, last quarter moon, and waning crescent - and includes images and descriptions of each phase.
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- The solar system is made up of the sun and eight planets that orbit around it, along with moons, asteroids, and comets.
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The document describes the phases of the moon and lunar calendar. It explains that the moon revolves around Earth once every 29.5 days, going through phases from new moon to full moon and back again. During a new moon, the dark side faces Earth so we cannot see the illuminated portion. As the moon orbits, we see less than half illuminated as a crescent moon, then exactly half illuminated at the quarter moon phase.
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By Sheena MOON-PHASES-AND-ECLIPSE-1.pptx
Moon Phases:
The moon's phases refer to the different appearances of the moon as observed from Earth during its orbit around our planet. These phases are primarily determined by the relative positions of the Earth, the moon, and the sun. As the moon orbits the Earth, different portions of its surface are illuminated by sunlight, resulting in the various phases we observe.
1. New Moon:
The new moon occurs when the moon is positioned between the Earth and the sun, with its illuminated side facing away from Earth. From our perspective, the moon appears dark and invisible in the night sky. This marks the beginning of a new lunar cycle.
2. Waxing Crescent:
Following the new moon, a small sliver of the moon becomes visible as sunlight gradually illuminates its surface. This phase is known as the waxing crescent. It appears as a thin crescent shape in the western sky after sunset.
3. First Quarter:
During the first quarter phase, the moon has completed approximately one-quarter of its orbit around the Earth. Half of the moon's surface is illuminated by sunlight, creating a half-moon shape. This phase is often referred to as the waxing half or the half moon.
4. Waxing Gibbous:
As the moon continues to orbit, more of its surface becomes illuminated by sunlight. The waxing gibbous phase occurs when the illuminated portion of the moon is greater than half but not yet full. It appears as a bulging, almost full moon in the night sky.
5. Full Moon:
The full moon occurs when the Earth is positioned directly between the sun and the moon, with the moon's entire illuminated side facing Earth. This phase marks the midpoint of the lunar cycle and is characterized by a fully illuminated, round shape. The full moon is often associated with cultural and religious significance and is the brightest phase of the lunar cycle.
6. Waning Gibbous:
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7. Third Quarter:
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These phases repeat in a continuous cycle, with each complete cycle lasting approximately 29.5 days, known as a synodic month. The moon's phases have significant cultural, religious, and scientific importance,
Revision
The document discusses the relationship between the Earth, moon, and sun. It explains that the Earth's tilt and orbit around the sun cause the seasons to change. As the Earth orbits, different hemispheres are tilted toward or away from the sun, resulting in summer and winter. It also describes how the gravitational pull of the moon causes ocean tides, with the highest tides occurring during full moons and new moons. Additionally, it explains lunar and solar eclipses, noting that a solar eclipse can only occur during a new moon when the moon passes between the Earth and sun.
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1) The rising and setting of the Sun in the east and west, and that the point of rising and setting varied throughout the year.
2) The phases of the Moon, from new to full and back to new over 29.5 days.
3) Lunar eclipses, where the Moon passes into Earth's shadow.
4) Solar eclipses, where the Moon passes between Earth and the Sun.
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This document provides information about various astronomy topics including:
- Nebulae are clouds of gas and dust located in space. Mercury is the smallest planet with the greatest density and orbits the Sun faster than Earth's year. Asteroids are located between Mars and Jupiter.
- Earth is an inner planet that experiences seasons due to its axial tilt. The Sun's corona is seen during solar eclipses. Jupiter has giant storms larger than Earth. Life exists on Earth due to liquid water. Stars are mostly made of hydrogen.
- Apollo 11 was the first manned mission to land on the Moon. The Sun produces energy through nuclear fusion. Venus is often called Earth's twin. A year is one full revolution around the Sun.
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Moon Motions and Eclipses
The document summarizes the motions and phases of the Earth-Moon system. It explains that the moon orbits Earth over the course of about a month in an elliptical orbit, appearing larger when closer (perigee) and smaller when farther (apogee). The changing positions result in the phases of the moon as the illuminated side facing Earth waxes and wanes over the lunar cycle. Eclipses occur when the sun, Earth, and moon align, causing the moon to block the sun during a solar eclipse or Earth to block the sun's light during a lunar eclipse.
D. the moon
There were several theories proposed to explain the origin of the Moon throughout history. The first was the fission theory from the 19th century, which suggested that the Moon formed when a chunk of Earth was pulled away by the Sun's gravity as Earth rapidly spun. Later theories included the capture theory, where the Moon was a wandering planet captured by Earth, and the coaccretion theory where the Moon and Earth formed together from the same material. Currently, the giant impact theory is favored, where a Mars-sized body collided with Earth, ejecting debris that coalesced to form the Moon. This theory best explains the compositional similarities and differences between Earth and the Moon.
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The document discusses various lunar phenomena such as micro moons, blue moons, blood moons, eclipses, and tides. A micro moon occurs when the full moon coincides with the moon's farthest point from Earth. There are three types of lunar eclipses defined as penumbral, partial, and total. Eclipses happen when the sun, moon, and Earth are aligned. Tides are influenced by the gravitational pull of the moon and sun, and there are two types of tides called spring tides and neap tides.
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This document describes an activity where students model the moon's phases and eclipses using their heads and Styrofoam balls. Students hold "moon balls" and move them in circles around their heads which represent the Earth, with a lamp serving as the Sun. As they rotate the balls, students can observe the moon's changing phases from crescent to full and back again. They also simulate a solar eclipse by placing the ball directly between the lamp and their head/Earth. The goal is for students to understand how the moon's orbit and position relative to the Earth and Sun causes its monthly cycle of phases and solar eclipses.
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The document discusses planetary motion, eclipses, tides, and phases of the moon. It explains that planets orbit stars in ellipses rather than perfect circles, and that closer planets move faster due to gravity. It describes solar and lunar eclipses, noting that solar eclipses occur when the moon passes between Earth and the sun, while lunar eclipses occur when Earth passes between the sun and moon. It also discusses how the moon's gravity causes ocean tides, with high tide occurring when the moon is overhead or opposite the tide location. Finally, it outlines the phases of the moon as it revolves around Earth.
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As the moon waxes (the amount of illuminated surface as seen from Earth is increasing), the lunar phases progress through new moon, crescent moon, first-quarter moon, gibbous moon, and full moon. The moon is then said to wane as it passes through the gibbous moon, third-quarter moon, crescent moon and back to new moon.
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The moon rotates on its axis once every 29.5 days and revolves around Earth once every 29.5 days, keeping the same face pointed towards Earth. The changing positions of the moon relative to Earth and the sun cause the phases of the moon and tides on Earth. Features on the moon's surface include craters and flat dark areas called maria, which are large basins filled with hardened lava.
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The document summarizes key properties and motions of Earth and the Moon. It describes how Earth rotates on its axis, causing day and night, and revolves around the Sun, causing years. It also explains that the Moon rotates on its axis and revolves around Earth, and that the changing angles of sunlight cause its phases to cycle over 29.5 days.
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The document discusses key characteristics and features of Earth's moon. It describes how the moon rotates on its axis once every 29.5 days and revolves around Earth, also taking 29.5 days. This locked rotation is why we always see the same face of the moon. The changing positions of the moon and sun relative to Earth cause the phases of the moon and create high and low tides. Eclipses occur when the moon or Earth block the sun's light. Craters and flat dark areas called maria are visible features on the moon's surface.
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The document provides an overview of lunar phases, eclipses, and tides. It explains that the moon orbits at an angle relative to Earth's orbit and reflects sunlight, causing phases. Eclipses occur when the sun, earth, and moon align, sometimes blocking sunlight. Total lunar eclipses make the moon appear red due to atmospheric filtering of light. The moon's gravity also causes two high tides each day by pulling the side of Earth closest and farthest to it.
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The document discusses eclipses and lunar phases. It begins by providing background information on the moon's orbit and how it reflects sunlight before explaining the different lunar phases. It then describes the causes of lunar phases and provides diagrams. The document also discusses the different types of solar and lunar eclipses, providing examples and upcoming dates. It concludes by briefly explaining the causes of ocean tides due to the moon and sun's gravity.
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The document summarizes key properties and dynamics of the Earth, sun, and moon systems. It describes the Earth as an oblate spheroid that rotates daily on its axis, causing night and day. It also revolves yearly around the sun, resulting in seasons due to the tilt of the Earth's axis. The summer and winter solstices occur when the sun is at its maximum distance from the equator in each hemisphere, while equinoxes occur when the sun is directly above the equator.
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The document announces a meeting of the Student Astronomical Society to take place on Wednesday, September 14 at 7:00 PM on the 5th floor of the Physics Building, with refreshments provided. It then provides information about the phases of the Moon, explaining that we see different portions of the Moon lit by the Sun due to its elliptical orbit around Earth and rotation on its axis.
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The moon's phases refer to the different appearances of the moon as observed from Earth during its orbit around our planet. These phases are primarily determined by the relative positions of the Earth, the moon, and the sun. As the moon orbits the Earth, different portions of its surface are illuminated by sunlight, resulting in the various phases we observe.
1. New Moon:
The new moon occurs when the moon is positioned between the Earth and the sun, with its illuminated side facing away from Earth. From our perspective, the moon appears dark and invisible in the night sky. This marks the beginning of a new lunar cycle.
2. Waxing Crescent:
Following the new moon, a small sliver of the moon becomes visible as sunlight gradually illuminates its surface. This phase is known as the waxing crescent. It appears as a thin crescent shape in the western sky after sunset.
3. First Quarter:
During the first quarter phase, the moon has completed approximately one-quarter of its orbit around the Earth. Half of the moon's surface is illuminated by sunlight, creating a half-moon shape. This phase is often referred to as the waxing half or the half moon.
4. Waxing Gibbous:
As the moon continues to orbit, more of its surface becomes illuminated by sunlight. The waxing gibbous phase occurs when the illuminated portion of the moon is greater than half but not yet full. It appears as a bulging, almost full moon in the night sky.
5. Full Moon:
The full moon occurs when the Earth is positioned directly between the sun and the moon, with the moon's entire illuminated side facing Earth. This phase marks the midpoint of the lunar cycle and is characterized by a fully illuminated, round shape. The full moon is often associated with cultural and religious significance and is the brightest phase of the lunar cycle.
6. Waning Gibbous:
Following the full moon, the moon begins to wane or decrease in illumination. The waning gibbous phase occurs when the illuminated portion of the moon is greater than half but gradually diminishing. It appears as a shrinking, nearly full moon in the night sky.
7. Third Quarter:
During the third quarter phase, the moon has completed approximately three-quarters of its orbit around the Earth. Half of the moon's surface is illuminated, but this time, the opposite half compared to the first quarter phase. It is often referred to as the waning half or the half moon.
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The waning crescent phase marks the final stage of the lunar cycle before the new moon. Only a small portion of the moon's surface is illuminated by sunlight, appearing as a thin crescent shape in the eastern sky before sunrise. This phase gradually transitions into the new moon, completing the lunar cycle.
These phases repeat in a continuous cycle, with each complete cycle lasting approximately 29.5 days, known as a synodic month. The moon's phases have significant cultural, religious, and scientific importance,
Revision
The document discusses the relationship between the Earth, moon, and sun. It explains that the Earth's tilt and orbit around the sun cause the seasons to change. As the Earth orbits, different hemispheres are tilted toward or away from the sun, resulting in summer and winter. It also describes how the gravitational pull of the moon causes ocean tides, with the highest tides occurring during full moons and new moons. Additionally, it explains lunar and solar eclipses, noting that a solar eclipse can only occur during a new moon when the moon passes between the Earth and sun.
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Ancient astronomers were able to observe several astronomical phenomena before the advent of telescopes:
1) The rising and setting of the Sun in the east and west, and that the point of rising and setting varied throughout the year.
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3) Lunar eclipses, where the Moon passes into Earth's shadow.
4) Solar eclipses, where the Moon passes between Earth and the Sun.
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This document provides information about various astronomy topics including:
- Nebulae are clouds of gas and dust located in space. Mercury is the smallest planet with the greatest density and orbits the Sun faster than Earth's year. Asteroids are located between Mars and Jupiter.
- Earth is an inner planet that experiences seasons due to its axial tilt. The Sun's corona is seen during solar eclipses. Jupiter has giant storms larger than Earth. Life exists on Earth due to liquid water. Stars are mostly made of hydrogen.
- Apollo 11 was the first manned mission to land on the Moon. The Sun produces energy through nuclear fusion. Venus is often called Earth's twin. A year is one full revolution around the Sun.
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The Moon is Earth's only natural satellite and was formed from debris after a collision between Earth and a Mars-sized body. It orbits Earth every 27.3 days and rotates at the same rate, so the same side always faces Earth. Its phases are caused by the varying illumination of its surface as it orbits our planet. The Moon causes Earth's tides and has geological features like maria and craters.
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The document summarizes the motions and phases of the Earth-Moon system. It explains that the moon orbits Earth over the course of about a month in an elliptical orbit, appearing larger when closer (perigee) and smaller when farther (apogee). The changing positions result in the phases of the moon as the illuminated side facing Earth waxes and wanes over the lunar cycle. Eclipses occur when the sun, Earth, and moon align, causing the moon to block the sun during a solar eclipse or Earth to block the sun's light during a lunar eclipse.
D. the moon
There were several theories proposed to explain the origin of the Moon throughout history. The first was the fission theory from the 19th century, which suggested that the Moon formed when a chunk of Earth was pulled away by the Sun's gravity as Earth rapidly spun. Later theories included the capture theory, where the Moon was a wandering planet captured by Earth, and the coaccretion theory where the Moon and Earth formed together from the same material. Currently, the giant impact theory is favored, where a Mars-sized body collided with Earth, ejecting debris that coalesced to form the Moon. This theory best explains the compositional similarities and differences between Earth and the Moon.
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The document discusses various lunar phenomena such as micro moons, blue moons, blood moons, eclipses, and tides. A micro moon occurs when the full moon coincides with the moon's farthest point from Earth. There are three types of lunar eclipses defined as penumbral, partial, and total. Eclipses happen when the sun, moon, and Earth are aligned. Tides are influenced by the gravitational pull of the moon and sun, and there are two types of tides called spring tides and neap tides.
Modeling Moon Phases and Eclipses
This document describes an activity where students model the moon's phases and eclipses using their heads and Styrofoam balls. Students hold "moon balls" and move them in circles around their heads which represent the Earth, with a lamp serving as the Sun. As they rotate the balls, students can observe the moon's changing phases from crescent to full and back again. They also simulate a solar eclipse by placing the ball directly between the lamp and their head/Earth. The goal is for students to understand how the moon's orbit and position relative to the Earth and Sun causes its monthly cycle of phases and solar eclipses.
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The document discusses the moon's orbit around Earth and its phases. The moon follows an elliptical orbit with its closest point called perigee and farthest apogee. As it orbits, it crosses the Earth's orbital plane at ascending and descending nodes. The moon completes its phase cycle from new moon to full moon and back every 29 days, with waxing and waning crescent, quarter, and gibbous phases in between.
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The document discusses planetary motion, eclipses, tides, and phases of the moon. It explains that planets orbit stars in ellipses rather than perfect circles, and that closer planets move faster due to gravity. It describes solar and lunar eclipses, noting that solar eclipses occur when the moon passes between Earth and the sun, while lunar eclipses occur when Earth passes between the sun and moon. It also discusses how the moon's gravity causes ocean tides, with high tide occurring when the moon is overhead or opposite the tide location. Finally, it outlines the phases of the moon as it revolves around Earth.
September 27 Lunar Eclipse
The document discusses the total lunar eclipse that will occur on the evening of September 27, 2015 in North America. It will be visible across much of the western hemisphere and last over an hour. The eclipse will have five stages as the Moon passes through Earth's penumbra and umbra shadows. Observers are encouraged to time the moments when the umbra's edge crosses different lunar features to help scientists study variations in the size of Earth's shadow.
The Cycles of the Moon
As the moon waxes (the amount of illuminated surface as seen from Earth is increasing), the lunar phases progress through new moon, crescent moon, first-quarter moon, gibbous moon, and full moon. The moon is then said to wane as it passes through the gibbous moon, third-quarter moon, crescent moon and back to new moon.
Earth's moon
The moon rotates on its axis once every 29.5 days and revolves around Earth once every 29.5 days, keeping the same face pointed towards Earth. The changing positions of the moon relative to Earth and the sun cause the phases of the moon and tides on Earth. Features on the moon's surface include craters and flat dark areas called maria, which are large basins filled with hardened lava.
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The document summarizes key properties and motions of Earth and the Moon. It describes how Earth rotates on its axis, causing day and night, and revolves around the Sun, causing years. It also explains that the Moon rotates on its axis and revolves around Earth, and that the changing angles of sunlight cause its phases to cycle over 29.5 days.
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The document discusses key characteristics and features of Earth's moon. It describes how the moon rotates on its axis once every 29.5 days and revolves around Earth, also taking 29.5 days. This locked rotation is why we always see the same face of the moon. The changing positions of the moon and sun relative to Earth cause the phases of the moon and create high and low tides. Eclipses occur when the moon or Earth block the sun's light. Craters and flat dark areas called maria are visible features on the moon's surface.
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The document provides an overview of lunar phases, eclipses, and tides. It explains that the moon orbits at an angle relative to Earth's orbit and reflects sunlight, causing phases. Eclipses occur when the sun, earth, and moon align, sometimes blocking sunlight. Total lunar eclipses make the moon appear red due to atmospheric filtering of light. The moon's gravity also causes two high tides each day by pulling the side of Earth closest and farthest to it.
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The document discusses eclipses and lunar phases. It begins by providing background information on the moon's orbit and how it reflects sunlight before explaining the different lunar phases. It then describes the causes of lunar phases and provides diagrams. The document also discusses the different types of solar and lunar eclipses, providing examples and upcoming dates. It concludes by briefly explaining the causes of ocean tides due to the moon and sun's gravity.
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The document summarizes key properties and dynamics of the Earth, sun, and moon systems. It describes the Earth as an oblate spheroid that rotates daily on its axis, causing night and day. It also revolves yearly around the sun, resulting in seasons due to the tilt of the Earth's axis. The summer and winter solstices occur when the sun is at its maximum distance from the equator in each hemisphere, while equinoxes occur when the sun is directly above the equator.
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Spark Good (walmart.com/sparkgood) is a charitable platform that enables nonprofits to receive donations directly from customers and associates.
Answers about how you can do more with Walmart!"
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8b The Moon.ppt
- 1. THIS PRESENTAION HAS BEEN RATED BY THE CLASSIFICATION AND RATING ADMINISTRATION TG-13 TEACHERS’ GUIDANCE STRONGLY ADVISED Some Material May Be Unintelligible For Students Under 13. Intense Frames of Scientific Instruction, Analysis, Comparing and Contrasting, Description, and for Some Vocabulary. © 1852 All Rights Reserved VOID WHERE PROHIBITED BY LAW
- 2. The authorized reproduction or distribution of this copyrighted work is highly encouraged. Lethargic obtuseness is insubordinate and is discouraged by PBIS, as it may result in little or no monetary gain after secondary education or a fine of $250,000. © 1852 All Rights Reserved VOID WHERE PROHIBITED BY LAW PBIS ANTI-VACUITY
- 4. OBJECTIVES By the end of this presentation, students will be able to • Explain the causes of the lunar phases. • Describe each phase of the moon.
- 5. Perigee – The point in the moon’s orbit that is farthest from the earth. Apogee – The point in the moon’s orbit that is closest to the earth. Lunar Orbit – the moon orbits the earth in an elliptical orbit.
- 6. At some point in the moon’s orbit, the moon crosses the plain of the earth’s orbit, moving higher north in the night sky. (Ascending Node) SUN Lunar Orbit
- 7. At some point in the moon’s orbit, the moon crosses the plain of the earth’s orbit, moving lower south in the night sky. (Descending Node) SUN Lunar Orbit
- 8. Full Moon Phase The earth lies between the moon and the sun in its orbit. SUN Lunar Phases
- 9. New Moon Phase The moon lies between the earth and the sun in its SUN Lunar Phases
- 10. If the moon is between its New Moon and Full Moon phases, it is Waxing, growing more full. SUN Lunar Phases
- 11. SUN Lunar Phases If the moon is between its Full Moon and its New Moon phases, it is Waning, lessening in brightness.
- 12. SUN Lunar Phases If the moon is between its Third Quarter and its First Quarter phases, it is Crescent shape.
- 13. SUN Lunar Phases If the moon is between its First Quarter and its Third Quarter phases, it is Gibbous shape.
- 14. SUN Lunar Phases The moon proceeds through its phase cycle every 29 days.
- 17. Lunar Phases New Moon Waxing Crescent First Quarter
- 18. Lunar Phases New Moon Waxing Crescent First Quarter Waxing Gibbous
- 19. Lunar Phases New Moon Waxing Crescent First Quarter Waxing Gibbous Full Moon
- 20. Lunar Phases New Moon Waxing Crescent First Quarter Waxing Gibbous Full Moon Waning Gibbous Third Quarter
- 21. Lunar Phases New Moon Waxing Crescent First Quarter Waxing Gibbous Full Moon Waning Gibbous
- 22. Lunar Phases New Moon Waxing Crescent First Quarter Waxing Gibbous Full Moon Waning Gibbous Third Quarter Waning Crescent
- 23. Lunar Phases New Moon Waxing Crescent First Quarter Waxing Gibbous Full Moon Waning Gibbous Third Quarter Waning Crescent
Editor's Notes
- By the end of this presentation, students will be able to Explain the causes of the lunar phases. Describe each phase of the moon.
- By the end of this presentation, students will be able to Explain the causes of the lunar phases. Describe each phase of the moon.