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Welcome to Science 2/13

Welcome to Science 2/13. Take out your 6 note cards that you made on Friday. Today’s Schedule Schedule for the week Question of the Day Earth, moon, sun Part 1 Interactive Activity. Schedule for the Week. Today- The Seasons Tuesday- Moon Phases Wednesday- Eclipses

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Welcome to Science 2/13

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  1. Welcome to Science 2/13 Take out your 6 note cards that you made on Friday. Today’s Schedule • Schedule for the week • Question of the Day • Earth, moon, sun Part 1 • Interactive Activity

  2. Schedule for the Week • Today- The Seasons • Tuesday- Moon Phases • Wednesday- Eclipses • Thursday- Mrs. Pietrocini • Friday-Projects & Presentations

  3. Question of the Day • At which diagram will Ohio experience the season of Summer?

  4. The Earth Moon SunRelationship Part 1

  5. How are the sun, moon, and Earth related? By their movements. • 1. Rotation- the spinning of Earth on its axis • 2. Revolution- the movement of the Earth & moon around the sun. the movement of the moon around Earth Explore a model of Earth's daily rotation.Explore a model of Earth's yearly revolution around the sun.

  6. The Seasons of Earth Q. Why does Earth have different seasons? • A. Earth has different seasons because its axis is tilted as it revolves around the sun. • Earth’s axis is always tilted at 23.5 degrees. • Seasons_Interactive.swf Earth-Sun Relations

  7. Solstice • Twice each year the sun reaches its greatest distance north or south of the equator. • Summer solstice- the day when the sun is farthest north of the equator. June 21 • Winter solstice- the day when the sun is farthest south of the equator. December 21

  8. Equinox • Halfway between the solstices. Twice a year. Means “equal night” 12 hours of day 12 hours of night • Vernal equinox- start of spring. March 21 • Autumnal equinox- start of fall. Sept. 21

  9. The Midnight Sun or Noon Moon • What do you think happens at the poles during the solstices? • Areas around the poles experience 24 hours of daylight during the summer months. • http://science.sbcc.Seasons_Interactive.swf

  10. Skills Lab • Earth experiences changing seasons because of the tilt of Earth’s axis and its revolution. • Objective: Create a model using clay that represents the relationship between the Earth, sun, and the changing seasons. • Procedure: • 1. Chose 1 color and create a model of the sun. Remember: The sun is much larger than Earth. • 2. a. Use the 2nd color and create 4 models of Earth b. Take the skewers and insert them through the Earth’s so that Earth’s axis is tilted roughly at 23° • 3. Create a model in which the Earths circle the sun and are in the proper position according to the seasons.

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