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Pre-test on THE UNIVERSE

Pre-test on THE UNIVERSE. DIRECTIONS: Please take a few minutes to answer the questions below. If you don’t know how to answer a question, put a “IDK” in the answer space.

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Pre-test on THE UNIVERSE

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  1. Pre-test onTHE UNIVERSE

  2. DIRECTIONS: Please take a few minutes to answer the questions below. If you don’t know how to answer a question, put a “IDK” in the answer space. 3. Since you have not done the activity yet, there may be some words and questions below that you have not seen before. Do your best to answer, and remember, this won’t be graded!

  3. 1. What does this thing do?

  4. 2. How does the gold thing or the long silver tube help us study the universe?

  5. 3. Which of the following defines “cosmic microwave background”? • A form of matter • The first primordial elements • Leftover heat from the Big Bang • Red shifted galaxies

  6. 4. What is the name of the scientific theory that stated that the universe started in an expansion/inflation and is getting bigger?

  7. 5. How is the universe changing? Is the universe accelerating, decelerating or static ? • Accelerating-speeding up • Decelerating-slowing down • Static-not changing

  8. 6. How old is the universe?

  9. 7. Which best describes a light year? • A the characteristic size of light • the distance the Earth travels around the sun in one year • the distance light travels in one year • the time it takes light to travel once around the Earth's orbit • The time light takes to come to Earth from the sun

  10. 8. Put the following in order from smallest (1) to largest (6)  Objects • planet • solar system • universe • galaxy • our sun • our moon

  11. This is 9. if the nearest star is 4.2 light-years away then • the light we see left the star 4.2 years ago. • the star is 4.2 million miles away. • the star must have formed 4.2 billion years ago. • all of these.

  12. 10. The largest identifiable "structure" in the universe is a Galaxy Star Cluster of galaxies Super cluster of galaxies

  13. 11. What were the first elements formed in the universe? • Hydrogen and Helium • Carbon and Nitrogen • Lithium and Boron • Gold and Iron

  14. 12. Which of the following would scientists say is true about the universe? • the universe started out very cold and is getting hotter with time. • The universe started out very dense and has become less dense with time. • The universe is the same age as the Earth. • The universe and our galaxy are the same thing. • The universe does not change with time.

  15. 13. Why is dark matter and energy so mysterious?

  16. 14. Suppose that we look at a photograph of many galaxies. Assuming that all galaxies formed at about the same time, which galaxy in the picture is the youngest – the one that is furthest or closest? Explain

  17. 15. Evaluate the “Big Bang” theory using CONPTT • Is it a scientific idea? • C • O • N • P • T • T

  18. 16. How will the universe end? What will be left?

  19. 17. Think of one question about space science that you would like answered during our study of this unit. (Or name one topic that you’d like to learn more about in astronomy.)

  20. 8. What force keeps a star from collapsing?

  21. How do astronomers know the universe is expanding?

  22. 9. What amazing event will happen to our Milky Way in 3 billion years?

  23. 10. What is the final stage of our sun’s 10 billion year life?

  24. 11. What is this?

  25. 12. And this?

  26. 13. And this?

  27. 14. And this?

  28. 15. What is at the core of our galaxy? (pictured below)

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