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11/28/2016 Monday Science Log 7 Monday, November 28: If you were a cosmologist (someone who studies the cosmos), what part would you focus your studies on? Why? 7.2 Origins Focus Question 7.2, put on page 82 The cosmos is the largest structure studied by scientists. As we learned, the Hubble Space Telescope has provided images of galaxies that are billions of light-years away. Scientists who study the cosmos are called cosmologists. Cosmologists study the structure of the cosmos and try to figure out its history and future. 7.2 Origins Focus Question 7.2, put on page 82 One of the most important questions investigated by cosmologists is how things came to be the way they are. Where did the objects we see today come from? A cosmology question they would investigate is Where did the solar system come from? 2. Solar system questions You are going to work like cosmologists in your groups Generate a list of questions that might help you figure out how the solar system came into being, from a scientific point of view. Be ready to share 2. Solar system questions: Might include What was here before the solar system? Where did the planets and moons come from? What are planets and moons made of? Where did the Sun come from? Are there other solar systems like ours? Is there life in other places in the solar system? Did the solar system come from the big bang? Vocab 7.2 Record on page 80 and in your index, use the card to add to the definitions in your own words Nebula: Cloud Accretion: Sticking together 4. Solar system Origin cards Solar System Origin cards. Each set represents one possible step in the sequence of events that resulted in the solar system. You should work at your tables to put the stages of formation in order Spread the cards out so that they can be seen by everyone. The text on the backs of the cards adds information to the pictures. You have 10 minutes 6. Formation sequence Notebook Sheet 40, Formation of the Solar System Record the names under the “predicted sequence” column Tape into page 83 7. Sequence What do you think occurred first? What is your reasoning? “Solar System Origin Card Sort” 7. Sequence What do you think occurred first? What is your reasoning? “Solar System Origin Card Sort” Nebula is first Record the sequence under the current theory 9. Summarize solar system formation Look at the current theory you recorded on your Formation of the Solar System sheets. Underneath the focus question, explain, as if you are telling a story, how the solar system formed. That means, don’t just list the ten steps, but see if you can describe the steps, from start to finish, to a friend or younger sibling who has never seen the cards we used today. 10. Quick draw Confirm your features of the system you represented well, correct features you want to revise, and complete your representations by adding features you overlooked originally. Write a summary statement that reflects on what you originally thought and what you now think, giving specific examples from your original thoughts and from what you have learned.