1. Formation of the Universe Review

2. observed change in the frequency of a wave when the source or observer is moving

3. Doppler Effect

4. theory that all matter and energy in the universe exploded 10 to 15 billion years ago and began expanding in all directions.

5. Big Bang Theory
Big Bang Theory

6. apparent shift toward shorter wavelengths of light when a luminous object moves toward the viewer

7. Blue Shift

8. theory that matter distorts space

9. General Theory of Relativity

10. sum of all space, matter and energy

11. Universe

12. matter not visible through current methods, but observable through gravitational interactions between galaxies

13. Dark Matter

14. apparent shift toward longer wavelengths of light when a luminous object moves away from the viewer

15. Red Shift

16. steady but faint microwaves from all over the sky

17. Cosmic Microwave Background Radiation

18. unexplained high speed of galaxies going into outer space

19. Dark Energy

20. the study of the nature, structure, origin and fate of the universe

21. Cosmology

22. _____ Space based telescopes, such as the Hubble Space Telescope, allow astronomers to see further away than they can with telescopes on Earth. Seeing more distant objects is in effect equivalent to seeing
a. the edges of the universe c. further back in time.
b. into other universes. d. further forward in time.

23. c. further back in time.

24. 2. _____ Is the following sentence true or false
2. _____ Is the following sentence true or false? All distant galaxies are moving away from ours because our galaxy is at the center of the universe.
a. true
b. false

25. b. false

26. 3. _____ The _________________ states that the universe began when a dense, hot, super massive singularity violently exploded.
a. steady state theory c. big bang theory
b. string theory d. big crunch theory

27. c. big bang theory

28. 4. _____ Which is NOT evidence to support the big bang theory?
a. red shift of galaxies
b. cosmic background radiation
c. Galactic clusters
d. abundance of light elements (H, He and Li)

29. c. galactic clusters

30. 5. _____ Which fate of the universe do scientist currently believe to be true?
a. open universe c. flat universe
b. closed universe d. accelerating universe

31. d. accelerating universe

32. 6. _____ The red shift of distant galaxies show that the universe is ___________.
a. contracting
b. expanding

33. b. expanding

34. 7. _____ Radiation left over from the big bang is called
a. cosmic radio waves
b. cosmic microwaves background radiation
c. gamma ray bursts
d. cosmic x-ray radiation

35. b. cosmic microwaves background radiation

36. 8. _____ About how long ago did the big bang occur?
a. 4.6 billion years ago
b. 10 billion years ago
c billion years ago
d. 100 million years ago

37. c billion years ago

38. 9. _____ The universe is mostly made up of
a. dark matter c. atoms
b. dark energy d. empty space

39. d. empty space

40.  10. _____ The first elements that were formed in the universe were?
a. hydrogen and lithium c. hydrogen and helium
b. lithium and helium d. lithium and beryllium

41. c. hydrogen and helium