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Earth, Moon, and Sun CHAPTER the BIG idea CHAPTER OUTLINE Earth and the Moon move in predictable ways as they orbit the Sun. Earth rotates on a tilted.

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Presentation on theme: "Earth, Moon, and Sun CHAPTER the BIG idea CHAPTER OUTLINE Earth and the Moon move in predictable ways as they orbit the Sun. Earth rotates on a tilted."— Presentation transcript:

1 Earth, Moon, and Sun CHAPTER the BIG idea CHAPTER OUTLINE Earth and the Moon move in predictable ways as they orbit the Sun. Earth rotates on a tilted axis and orbits the Sun. 2.1 The Moon is Earths natural satellite. 2.2 Positions of the Sun and Moon affect Earth. 2.3 NEW CHAPTER

2 VOCABULARY KEY CONCEPT CHAPTER HOME Earth rotates on a tilted axis and orbits the Sun. 2.1 SECTION OUTLINE SECTION OUTLINE revolution axis of rotation Earths rotation in sunlight causes day and night. The changing angles of sunlight on Earth cause seasons. season equinox solstice

3 VOCABULARY KEY CONCEPT CHAPTER HOME axis of rotation 2.1 KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Earth rotates on a tilted axis and orbits the Sun. An imaginary line about which a turning body, such as Earth rotates. revolution axis of rotation season equinox solstice

4 VOCABULARY KEY CONCEPT CHAPTER HOME The motion of one body around another, such as Earth in its orbit around the Sun; the time it takes an object to go around once. revolution 2.1 KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Earth rotates on a tilted axis and orbits the Sun. revolution axis of rotation season equinox solstice

5 VOCABULARY KEY CONCEPT CHAPTER HOME One part of a pattern of temperature changes and other weather trends over the course of a year. Astronomical seasons are defined and caused by the position of Earths axis relative to the direction of sunlight. season 2.1 KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Earth rotates on a tilted axis and orbits the Sun. revolution axis of rotation season equinox solstice

6 VOCABULARY KEY CONCEPT CHAPTER HOME In an orbit, a position and time in which sunlight shines equally on the Northern Hemisphere and the Southern Hemisphere; a time of year when daylight and darkness are nearly equal for most of Earth. equinox 2.1 KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Earth rotates on a tilted axis and orbits the Sun. revolution axis of rotation season equinox solstice

7 VOCABULARY KEY CONCEPT CHAPTER HOME In an orbit, a position and time during which one hemisphere gets its maximum area of sunlight, while the other hemisphere gets its minimum amount; the time of year when days are either longest or shortest, and the angle of sunlight reaches its maximum or minimum. solstice 2.1 KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Earth rotates on a tilted axis and orbits the Sun. revolution axis of rotation season equinox solstice

8 VOCABULARY KEY CONCEPT CHAPTER HOME mare The Moon is Earths natural satellite. 2.2 SECTION OUTLINE SECTION OUTLINE The Moons near side always faces Earth. Dark-colored maria formed from lava-filled craters. Light-colored highlands are old and cratered.

9 VOCABULARY KEY CONCEPT CHAPTER HOME mare The Moon is Earths natural satellite. 2.2 SECTION OUTLINE SECTION OUTLINE The Moons near side always faces Earth. The Moon has layers. core mantle crust

10 VOCABULARY KEY CONCEPT CHAPTER HOME A large, dark plain of solidified lava on the Moon. The plural form of mare is maria. mare 2.2 KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY The Moon is Earths natural satellite. mare

11 VOCABULARY KEY CONCEPT CHAPTER HOME Positions of the Sun and Moon affect Earth. 2.3 SECTION OUTLINE SECTION OUTLINE Lunar phases are different views of the Moons sunlit half. Moon Earth umbra eclipse penumbra

12 VOCABULARY KEY CONCEPT CHAPTER HOME Positions of the Sun and Moon affect Earth. 2.3 SECTION OUTLINE SECTION OUTLINE Lunar phases are different views of the Moons sunlit half. Shadows cause eclipses. umbra penumbra umbra eclipse penumbra

13 VOCABULARY KEY CONCEPT CHAPTER HOME Positions of the Sun and Moon affect Earth. 2.3 SECTION OUTLINE SECTION OUTLINE Lunar phases are different views of the Moons sunlit half. Shadows cause eclipses. umbra eclipse penumbra The Moons gravity causes tides as Earth turns. Moon low tide High tide rotation of Earth

14 VOCABULARY KEY CONCEPT CHAPTER HOME An event during which one object in space casts a shadow onto another. On Earth, a lunar eclipse occurs when the Moon moves through Earths shadow, and a solar eclipse occurs when the Moons shadow crosses Earth. eclipse 2.3 KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Positions of the Sun and Moon affect Earth. umbra eclipse penumbra

15 VOCABULARY KEY CONCEPT CHAPTER HOME The dark, central region of a shadow, such as the cone of complete shadow cast by an object. umbra 2.3 KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Positions of the Sun and Moon affect Earth. umbra eclipse penumbra

16 VOCABULARY KEY CONCEPT CHAPTER HOME A region of lighter shadow that may surround an umbra; for example, the spreading cone of lighter shadow cast by a space object. penumbra 2.3 KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Positions of the Sun and Moon affect Earth. umbra eclipse penumbra

17 VOCABULARY KEY CONCEPT CHAPTER HOME I. Earth rotates on a tilted axis and orbits the Sun. A. Earths rotation causes day and night. 3. Lengths of Days 2.1 KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Earth rotates on a tilted axis and orbits the Sun. B. Earths tilted axis and orbit cause seasons. 1. Seasonal Patterns 2. Angles of Sunlight revolution axis of rotation season equinox solstice

18 VOCABULARY KEY CONCEPT CHAPTER HOME 2.2 KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY The Moon is Earths natural satellite. II. The Moon is Earths natural satellite. A. The Moon rotates as it orbits Earth. B. The Moons craters show its history. 1. Craters and Maria 2. Moon Rocks C. The Moon has layers. 1. Structure mare 2. Formation

19 VOCABULARY KEY CONCEPT CHAPTER HOME III. Positions of the Sun and Moon affect Earth. A. Phases are different views of the Moons sunlit half. 3. Crescent and Gibbous Moons B. Shadows in space cause eclipses. 1. Waxing Moon 2.3 KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Positions of the Sun and Moon affect Earth. 2. Waning Moon umbra eclipse penumbra 1. Lunar Eclipses 2. Solar Eclipses C. The Moons gravity causes tides on Earth.


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