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Instructions for using this template. Remember this is Jeopardy, so where I have written “Answer” this is the prompt the students will see, and where.

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Presentation on theme: "Instructions for using this template. Remember this is Jeopardy, so where I have written “Answer” this is the prompt the students will see, and where."— Presentation transcript:

1

2 Instructions for using this template. Remember this is Jeopardy, so where I have written “Answer” this is the prompt the students will see, and where I have “Question” should be the student’s response. To enter your questions and answers, click once on the text on the slide, then highlight and just type over what’s there to replace it. If you hit Delete or Backspace, it sometimes makes the text box disappear. When clicking on the slide to move to the next appropriate slide, be sure you see the hand, not the arrow. (If you put your cursor over a text box, it will be an arrow and WILL NOT take you to the right location.)

3 Choose a category. You will be given the answer. You must give the correct question. Click to begin.

4 Click here for Final Jeopardy

5 StarsVocabularyMiscellaneous 10 Point 20 Points 30 Points 40 Points 50 Points 10 Point 20 Points 30 Points 40 Points 50 Points 30 Points 40 Points 50 Points TimeSpectra

6 By measuring the red-shifts of the most distant galaxies, it is possible to calculate the a. Doppler shifts b. apparent magnitudes c.absolute magnitudes d.expansion rate of long ago

7 Expansion rate of long ago

8 The diagram above shows a standard spectrum compared to that of a distant star. From this figure, what can you conclude about this stars motion relative to Earth?

9 The star is moving away from earth (red shift)

10 A solid, opaque object can be heated to different temperatures. What happens to the luminosity and wavelength of the light emitted by this object as the temperature increases?

11 Brighter and shorter wavelength

12 What type of spectra does an incandescent light have compared to Helium gas?

13 Incandescent – continuous spectrum Helium gas- emission line spectrum

14 How far does a radio wave travel in 6 minutes? (speed of light 3 x 10 8 m/s). D = s x t

15 (3 x 10 8 )(3.6x 10 2 ) 10.8 x 10 10 1.08 x 10 11 m

16 Why is star C brighter than star D?

17 C is hotter

18 Why is star B brighter than Star A?

19 Star B (main sequence) is larger

20 The fusion of hydrogen to helium occurs in what type of stars?

21 Main sequence stars like the sun

22 As time goes on, what will happen to the ratio of Hydrogen to Helium in this star?

23 Helium increase as hydrogen decrease

24 The sun is in equilibrium meaning it neither shrinks nor grows, this is due to a balance between what two features?

25 Gravity and gas pressure

26 An astronomer uses a telescope to observe a star. The color of the star indicates that it has a size and surface temperature similar to that of the Sun. Using this information, the astronomer can conclude that the star 1.is older than the Sun. 2.will survive for several billion years. 3.is moving very quickly away from Earth. 4.has a mass similar to the mass of Jupiter.

27 Will survive several billion years

28 How long will a star with the same mass as the sun stay on the main sequence?

29 10 billion years

30 According to Big bang, age of universe is calculated to be about how old?

31 13-14 billion years

32 As mass increases, what happens to the life span of a star?

33 As mass increases, stars do not live as long

34 About how long would a star with a mass 1.5 times that of the sun live?

35 5 billion years

36 Theory that states universe began as pure energy

37 Big Bang

38 FREE

39

40 The group our milky way galaxy belongs to

41 Local Group

42 Used to measure the distance of stars within 1,000 light years of earth

43 Parallex

44 You look at two stars in the night sky and notice one appears brighter. What property or characteristic of the star is this?

45 Apparent magnitude

46 Evidence suggests the universe contains a great amount of ___________matter

47 Dark matter

48 How long after Big Bang did it take universe to cool to 10 9o C?

49 3 minutes

50 Heaviest element formed in core of a star?

51 iron

52 According to recent observations, what is occurring to the rate of expansion of universe?

53 Rate of expansion is speeding up

54 If the mass of our sun were reduced by one half of its current mass, approximately how much longer would it live compared to its current mass?

55 5 billion years (15b-10b)

56 Make your wager

57 1.What occurs in a main sequence star? 2.What does a main sequence star the size of our sun change to after this process ends?

58 1.Hydrogen fuses to Helium 2.Red giant

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