2. Thursday May 2 nd Objective You will apply knowledge of Astronomy in order to review for unit test. Warm-up What is the big bang? What did it create?

3. Astronomy Unit REVIEW Mrs. Reitz

4. A:B: About 13.7 million years ago About 13.7 billion years ago 1.According to the Big Bang Theory, the universe began C:D: About 13.7 trillion years ago About 137, 000 years ago

5. B. About 13.7 billion years ago Next for $100

6. A:B: Between two meridians North or south of the equator 2. Latitude is the distance C:D: North of the international date line East or west of the prime meridian

7. B. North or south of the equator Next for $200

8. A:B: OrbitingShrinking 3. Hubble’s law stating that more distant galaxies have greater red shifts indicates that the universe is C:D: ExpandingCollapsing

9. C. Expanding Next for $300

10. A:B: ShapeTemperature 4. The color of a star is a clue to its C:D: Distance from the sun Distance from Earth

11. B. Temperature Next for $500

12. A:B: Converts to a protostar Consumes most of its nuclear fuel 5.A supernova event is thought to be triggered when a massive star C:D: Converts all of its hydrogen to uranium Becomes less bright than surrounding stars

13. B. Consumes most of its nuclear fuel Next for $750

14. A:B: Gamma rays Emission spectrum 6. Astronomers can identify the chemical composition of a star by analyzing its C:D: Doppler effectChromatic aberration

15. B. Emission spectrum Next for $1,000

16. A:B: CoronaGalaxy 7. A cloud of dust and gases In space is called a C:D: Nebula Black hole

17. C.Nebula Next for $2,000

18. A:B: The distance light travels in a light- period The distance that light travels in one year 8. A light-year is C:D: The amount of sunlight absorbed by Earth in one year The speed of light

19. B. The distance that light travels in one year Next for $4,000

20. A:B: An object whose gravity is so strong that not even light can escape A brilliant explosion of a massive star 9. What is a black hole? C:D: A pulsating source of radio waves The final step in our sun’s evolution

21. A. An object whose gravity is so strong that no light can escape Next for $5,000

22. A:B: RedBlue 10. What color will a star be with a surface temperature of 5000-6000 K? C:D: White Yellow

23. D. Yellow Next for $8,000

24. A:B: Turn into a black dwarf Produce a supernova explosion 11. All stars, regardless of their size, eventually C:D: Run out of fuel and collapse Collapse into a white dwarf

25. C. Run out of fuel and collapse Next for $10,000

26. A:B: The path of each planet around the sun is an ellipse Each planet travels more rapidly when it is nearer the sun 12. Which of the following is NOT one of Kepler’s 3 laws? C:D: A planet’s orbital period is proportionate to its distance from the sun Venus has phases like the moon

27. D. Venus has phases like the moon Next for $16,000

28. A:B: Ptolemy Kepler 13. The first scientist to formulate and test the law of gravitational force was C:D: Brahe Newton

29. D. Newton Next for $32,000

30. A:B: TemperatureSize and shape 14. Sunspots appear dark because of their C:D: Distance from EarthChemical composition

31. A. Temperature Next for $50,000

32. A:B: Nuclear fission Radioactive decay 15. What process is producing Energy in the sun’s interior? C:D: Nuclear fusionRadioactive production

33. C. Nuclear fusion Next for $64,000

34. A:B: Hydrogen into helium Helium into hydrogen 16. The sun produces energy through nuclear fusion, converting C:D: Oxygen into carbonCarbon into oxygen

35. A. Hydrogen into helium Next for $75,000

36. A:B: That reaches the moon before Earth That is reflected from Earth’s surface 17. Lunar phases are the result of the moon’s motion and the sunlight C:D: That is reflected from the moon’s surface That is blocked because of the moon’s position

37. C. That is reflected from the moon’s surface Next for $90,000

38. A:B: HeatGravity 18. The force that produces tides is C:D: RotationCurrents

39. B. Gravity Next for $100,000

40. A:B: Axis is tilted relative to the sun Orbit changes throughout the year 19. Seasonal changes occur because Earth’s C:D: Length of rotation varies Distance from the sun changes

41. A. Axis is tilted relative to the sun Next for $250,000

42. A:B: Into Earth’s shadow Between Earth and the planet Venus 20. During a solar eclipse the moon moves C:D: Between Earth and the sun More slowly than usual

43. C. Between Earth and the sun Next for $425,000

44. A:B: NH is tilted 23.5 degrees away from the sun NH is tilted 23.5 degrees toward the sun 21. The summer solstice is known as the first official day of summer in the NH because the C:D: Vertical rays of the sun are striking the equator Length of daylight equals the length of darkness

45. B. NH is tilted 23.5 degrees toward the sun Next for $500,000

46. A:B: December 25 December 11 22. A complete moon cycle takes about 28 days. There was a new moon on the eve of November 27 th. On what day would you see a full moon in December? C:D: December 6December 20

47. A. December 25th Next for $750,000

48. A:B: Eliminate solar eclipses Decrease the period of a year 23. An increase in the tilt of Earth’s axis with respect to the sun would C:D: Increase Earth’s rotation Alter seasonal changes in weather

49. D. Alter seasonal changes in weather Next for $875,000

50. A:B: The stars orbit the earth The stars orbit the sun 24. What motion is responsible for the regular seasonal changes of the constellations in The nighttime sky? C:D: The moon orbits the earth The earth orbits the sun

51. D. The earth orbits the sun Next for $1,000,000

52. Great Job!!!! Great Job!!!! Thank you for playing! Thank you for playing!

53. Closure 3 things you learned 2 things you knew 1 question