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Good afternoon! BELL Work (4 min.) Open up your notebook to page – 81 Get your book from the back and open it to page 76. Attach this page to page 81 in your notebook And start working on it. OBJECTIVES & LEARNING GOALS: ASTRONOMERS CAN: • Recall important information about the structure of our UNIVERSE in order to prepare for our End of Course Exam (May 18-20). Work on questions 3-4 with your partner We will go over them so be ready to share. Such as The SUN The center of Our Solar System The Earth is part of our Solar system which is on an outer arm of the Milky Way galaxy that contains billions of stars. The Universe contains billions of galaxies that can be spiral, elliptical, or irregular. The sun is MUCH CLOSER to us compared to all other stars. Therefore it looks much brighter even though it’s not compared to other stars. The milky way has billions of stars that orbit around the galactic bulge center. The solar system has 8 planets and billions of other objects that orbit around the Sun. Where do we fit in?? Practice on your own. 1. Turn to pages 77-80. 2. Tear out these pages and staple them when the stapler comes around. 3. Answer the questions independently and quietly. 4. We will review and discuss the questions together. Video clip – How small are we? Largest Galaxy? Tally up your score out of 12 and write it on the front page. Make sure to staple your pages together. OUT – PARTNER SHARE How confident do you feel about Unit 2 after today’s Review? Use the number scale below. 5 4 3 2 1 I remember this information very well. I missed no more than 1 question on today’s practice question set. I remember most of this information and only missed a couple of questions. I only need to review a little. I remember a little over half of the information. I missed 4-5 questions. I do need to review some of what I missed. I remember very little of this. I got a few questions right but I mostly guessed. I really need to go back and study. I don’t remember any of this information. I missed almost all of the questions I answered today and I really need to review this information. Deadly space weather - Venus Level 4 I can compare and contrast the four major layers of the atmosphere (troposphere, stratosphere, mesosphere, and thermosphere) in terms of temperature and pressure and explain how they contribute to life on Earth. Level 3 •I can list the four layers of the atmosphere, explain how temperature and pressure change in each layer, and describe how it protects life and insulates our planet. Level 2 •I can list the layers of the atmosphere and how they protect life on our planet. Level 1 With help I can explain how the atmosphere protects our planet.