PPT-Earth’s Days, Years, and Seasons

Unit 5 lesson 1 httpsyoutube KUU7IyfR34o I Earths Days Years and Seasons Vocabulary Rotation Day Revolution Year Season Equinox solstice What determines the length of a day. Position of Ecliptic on the Celestial Sphere. Earth axis is tilted w.r.t. ecliptic by 23 ½ degrees. Equivalent: ecliptic is tilted by 23 ½ degrees w.r.t. equator!.  Sun appears to be sometime . . η. -Earth . from . RV. David W. Latham. Harvard-Smithsonian Center for Astrophysics. 5 . Octoberber. . 2013. Definitions of . η. -Earth. Frequency of true Earth twins. 1 Earth mass in 1 year orbit around G2 dwarf. 1. 0.07 Sun Cycle and Seasons. 1. Objectives. To . be able to describe how the sky moves with reference to the Earth’s rotation.. To be able to predict the seasons and describe what causes them.. To be able to synthesize information on astronomical cycles to predict Earth’s climate. . MODEL LESSON FOR INTEGRATION OF VIDEO CLIPS, INTERATIVES OR SIMULATIONS.. I. ENGAGE: Set the hook.. Me by pool this summer - talking to my nephew!. He lives in Santiago Chile. I’m talking about beautiful weather in Bivalve.. the . Earth is farthest from the Sun in January. . the sunlight takes a longer route to get to the Earth in January. . the . Sun is lower in the sky in January. . El . Nino is always . strongest in . We’re here to answer that question.. Some believe we have seasons because we are farthest from the Sun in winter and closest . to the Sun in summer. .. That’s Wrong!. If distance from the Sun isn’t responsible, what is?. Watch the video below and summarize the changes that occur and the cause of the changes.. One Year in 40 seconds. Essential Question:. What are the reasons for the seasons?. Standard:. S6E2c. Relate the tilt of the earth to the distribution of sunlight throughout the year and its effect on climate.. . Earth’s rotation. The Earth rotates on its axis (imaginary vertical line around which Earth spins) every 23 hours & 56 minutes. . One day on Earth is one rotation of the Earth.. Day on Earth is when our side of the Earth faces the sun.. © Kara Lee. What causes the seasons?. Remember our earth is tilted on it’s axis. . Remember our earth also orbits, or moves in a path, around the Sun.. Revolve is another word for moving around another object in a path.. By Jaclyn Schmitz. Different seasons. Here in Canada we experience four seasons: Winter, Spring, Summer, Fall. Of course, not everywhere has all of these seasons. Places located closer to the equator stay warm all year round (lucky!). Present . - time . of Jesus: 2,000 years. Jesus - . Abraham: 2,000 years . . . 55 . generations - Luke . 3:23-34. Abraham - . Adam: 2,000 years . . . 20 . generations - Luke . VERNAL EQUINOX. March 20, 2015, is a date that most of us recognize as symbolic of changing seasons. As we welcome spring, people south of the equator are actually gearing up for the cooler temperatures of autumn.. 1What is the Earths axisA an imaginary pole that passes through the center of the EarthB the path that the Earth travels around the sunC the object that hit young Earth long ago causing it to lean ove