Astronomy Part 3. Starter: Get ready for your notebook quiz.
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Transcript of Astronomy Part 3. Starter: Get ready for your notebook quiz.
![Page 1: Astronomy Part 3. Starter: Get ready for your notebook quiz.](https://reader035.fdocuments.in/reader035/viewer/2022072005/56649cd95503460f949a377f/html5/thumbnails/1.jpg)
Astronomy Part 3
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Starter:
• Get ready for your notebook quiz.
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Notebook Quiz 11. What goes on page 1?2. What is the title on page 3?3. What was the title on page 13 from 1/26/15?4. How many pages are in your notebook?5. Define Earth Science.6. What shape do planets orbit the sun in?7. What happens every 4 years (February 29)?8. What pages are used for starters?9. Why should you personalize your notebook?10. What is taped to the inside cover?
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Answers
1. “I am” author page2. Table of Contents3. Early views of the solar system4. 2005. The study of Earth’ systems and the universe around it.6. Ellipse7. Leap Year8. 181-2009. To prevent theft10. Syllabus/ How to Set-up your notebook
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Solstices
Summer sosticeJune 21 or 22First day of summerLongest day of the year
Winter solsticeDecember 21 or 22Beginning of winterShortest day of the year – north of artic circle have 24 of darkness, south of
Antarctic circle have 24 hours of daylight
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Equinox
• Equinox- when the Sun is directly over the equator
•Means “equal night”•Hours of daylight =hours of darkness everywhere on earth•Autumnal equinox – Sept 22 or 23•Vernal equinox – March 21 or 22
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Eclipse
Eclipses—shadows cast by Earth or the Moon onto each other • Only occur when the Sun, the Moon, and Earth are perfectly lined up • Solar eclipse—The Moon blocks sunlight from reaching a portion of
Earth’s surface; occurs during new moon. • Lunar eclipse—Earth blocks sunlight from reaching the Moon; the full
moon becomes dark; Moon appears deep red
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arthursclipart.org
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Moon Phases
• Moon phases—As the Moon orbits around Earth, different amounts of its sunlit surface are seen. • New moon—The Moon is between Earth and the Sun. The lighted
part faces away from Earth. (black or not visible)
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Moon Phases
• Waxing Moon looks like the moon grows in size, as the Moon travels around Earth more lighted part is seen; called first-quarter; occurs a week after new moon. • Full moon Earth is between the Sun and the Moon; the entire lighted
part faces toward Earth • Waning Moon decreases in size, and less of the lighted part is seen;
called third-quarter phase. • The complete cycle takes 29.5 days
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Moon Phases Sequence
New Waxing Crescent
First Quarter Waxing Gibbous
Full Waning Gibbous
Last Quarter Waning Crescent
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Tides
•Caused by the gravitational attraction of the Earth, Moon, and Sun. •moon has a much greater effect than Sun on tides because it is much closer to the Earth.
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Tides
• Spring Tides- The exceptionally high and low tides that occur during new moon or full moon when the sun, moon, and earth are aligned. (nothing to do with the season)
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Tides
• Neap Tide- The tide that occurs when the difference between high and low tide is least; Neap tides come twice a month, in the first and third quarters of the moon.
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Tides
http://www.youtube.com/watch?v=l37ofe9haMU&feature=related
http://www.youtube.com/watch?v=5W2sM1Ma7YA&feature=related