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Topic: Origins of the Universe

Topic: Origins of the Universe

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Topic: Origins of the Universe

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  1. Topic: Origins of the Universe Essential Question: How do scientists think our universe was created and what evidence supports it?

  2. Topic: Origins of the UniverseEssential Question: How do scientists think our universe was created and what evidence supports it? The Universe • Defined as everything that physically exists • All of space and time • All forms of matter and energy

  3. Topic: Origins of the UniverseEssential Question: How do scientists think our universe was created and what evidence supports it? Big Bang Theory • All galaxies started from one huge mass of densely packed matter • The densely packed matter exploded with a “big bang” sending out matter and energy in all directions • Over time the matter grouped together to form the stars and galaxies that now exist

  4. Big Bang

  5. Topic: Origins of the UniverseEssential Question: How do scientists think our universe was created and what evidence supports it? The Red Shift • Evidence that the universe is expanding (supports Big Bang Theory) • Distant galaxies give off a red light • The red end of the spectrum has the longest wavelengths

  6. Topic: Origins of the UniverseEssential Question: How do scientists think our universe was created and what evidence supports it? The Red Shift • If a galaxy is moving far away, the wavelengths become longer (or stretched out) • All galaxies beyond our own show a red shift, so it is believed that the universe is expanding

  7. Topic: Origins of the UniverseEssential Question: How do scientists think our universe was created and what evidence supports it? The Blue Shift • Galaxies that are moving closer give off a blue shift • If a galaxy is moving closer, the wavelengths become shorter giving off a blue shift

  8. Topic: Origins of the UniverseEssential Question: How do scientists think our universe was created and what evidence supports it? Open Universe a model of the universe in which the universe expands forever Closed Universe A model of the universe in which the universe, because of gravity, everything ejected during the Big Bang will eventually be pulled back to a central point.

  9. Now take some time… • Take 2 minutes to go over your notes and highlight or underline the main ideas that answer the essential question, you should not highlight everything: • Essential Question:How do scientists think our universe was created and what evidence supports it?

  10. Time to use the left hand column • You will now write your own questions using the verbs provided.

  11. Topic: Origins of the UniverseEssential Question: How do scientists think our universe was created and what evidence supports it? Choose one verb to write your question: Define Describe The Universe • Defined as everything that physically exists • All of space and time • All forms of matter and energy

  12. Topic: Origins of the UniverseEssential Question: How do scientists think our universe was created and what evidence supports it? Choose one verb to write your question: Define Describe Explain Big Bang Theory • All galaxies started from one huge mass of densely packed matter • The densely packed matter exploded with a “big bang” sending out matter and energy in all directions • Over time the matter grouped together to form the stars and galaxies that now exist

  13. Topic: Origins of the UniverseEssential Question: How do scientists think our universe was created and what evidence supports it? Choose one verb to write your question: Define Describe Explain The Red Shift • Evidence that the universe is expanding (supports Big Bang Theory) • Distant galaxies give off a red light • The red end of the spectrum has the longest wavelengths

  14. Topic: Origins of the UniverseEssential Question: How do scientists think our universe was created and what evidence supports it? Choose one verb to write your question: Define Describe Explain The Red Shift • If a galaxy is moving far away, the wavelengths become longer (or stretched out) • All galaxies beyond our own show a red shift, so it is believed that the universe is expanding

  15. Topic: Origins of the UniverseEssential Question: How do scientists think our universe was created and what evidence supports it? Choose one verb to write your question: Define Describe Explain The Blue Shift • Galaxies that are moving closer give off a blue shift • If a galaxy is moving closer, the wavelengths become shorter giving off a blue shift

  16. Topic: Origins of the UniverseEssential Question: How do scientists think our universe was created and what evidence supports it? Choose one verb to write your question: Define Describe Explain Open Universe a model of the universe in which the universe expands forever Closed Universe A model of the universe in which the universe, because of gravity, everything ejected during the Big Bang will eventually be pulled back to a central point.

  17. Now let’s write a summary Look at each question you wrote on your own, and answer each question in a complete sentence.