The Structure and Formation of Stars

1. The Structure and Formation of Stars Corresponds to Ch 7 in book Astro by Seeds Prepared by: Julissa Garcia, Aramik Yousefian HagopHadjinian, TatevikGrigoryan Activity director: LilitHaroyan Faculty Advisor: Richard Rains START EXIT Funded by Title V HIS Grant at LAMC and U.S Department of Education

2. 1. In convection… HINT 1 2 3 4 5 6 7 8 9 10 Exit Air is circulating Cold air rises and hot air falls Resistance to the flow of radiation Hot air rises and cold air falls

3. 1. In convection… HINT 1 2 3 4 5 6 7 8 9 10 Exit Correct! Air is circulating Cold air rises and hot air falls Resistance to the flow of radiation Hot air rises and cold air falls next

4. 1. In convection… HINT 1 2 3 4 5 6 7 8 9 10 Exit Incorrect It’s Hot air falling, cold air falling. back next

5. It relates to heat… 1 2 3 4 5 6 7 8 9 10 Exit back

6. 2. Dust and Gas make up… HINT 1 2 3 4 5 6 7 8 9 10 Exit The interstellar medium The Earth A teenager’s room The Sun’s core

7. 2. Dust and Gas make up… HINT 1 2 3 4 5 6 7 8 9 10 Exit Correct! The interstellar medium The Earth A teenager’s room The Sun’s core next

8. 2. Dust and Gas make up… HINT 1 2 3 4 5 6 7 8 9 10 Exit Incorrect It’s in between objects in a galaxy, all over the universe. back next

9. In between celestial objects… 1 2 3 4 5 6 7 8 9 10 Exit back

10. 3. This image is an example of HINT 1 2 3 4 5 6 7 8 9 10 Exit Convection Conduction Radiation The solar system

11. 3. This image is an example of HINT 1 2 3 4 5 6 7 8 9 10 Exit Correct! Convection Conduction Radiation The solar system next

12. 3. This image is an example of HINT 1 2 3 4 5 6 7 8 9 10 Exit Incorrect Ultraviolet rays are a form of radiation the sun expels. next back back next

13. UV Rays… 1 2 3 4 5 6 7 8 9 10 Exit back

14. 4. The breaking of atoms nuclei through reaction is called… HINT 1 2 3 4 5 6 7 8 9 10 Exit Nuclear fission Gravitational force Nuclear fusion Osmosis Jones

15. 4. The breaking of atoms nuclei through reaction is called… HINT 1 2 3 4 5 6 7 8 9 10 Exit Correct! Nuclear fission Gravitational force Nuclear fusion Osmosis Jones next

16. 4. The breaking of atoms nuclei through reaction is called… HINT 1 2 3 4 5 6 7 8 9 10 Exit Incorrect In Nuclear fission atoms are broken apart and energy is expelled. next back

17. We use this in power plants… 1 2 3 4 5 6 7 8 9 10 Exit back

18. 5. According to Hydrostatic Equilibrium the layers of a star are… HINT 1 2 3 4 5 6 7 8 9 10 Exit Thick Balanced with weight and pressure Pushing into each other Total masses equal the sum of all the masses

19. 5. According to Hydrostatic Equilibrium the layers of a star are… HINT 1 2 3 4 5 6 7 8 9 10 Exit Correct! Thick Balanced with weight and pressure next Pushing into each other Total masses equal the sum of all the masses

20. 5. According to Hydrostatic Equilibrium the layers of a star are… HINT 1 2 3 4 5 6 7 8 9 10 Exit Incorrect Pressure from the lower layer and weight from the upper layer help keep the balance of a star next back

21. Equilibrium means balance 1 2 3 4 5 6 7 8 9 10 Exit back

22. 6. Where do Neutrinos come from? HINT 1 2 3 4 5 6 7 8 9 10 Exit The core of a galaxy The core of our Sun The exterior of Saturn’s rings Dwarfs

23. 6. Where do Neutrinos come from? HINT 1 2 3 4 5 6 7 8 9 10 Exit Correct! The core of a galaxy The core of our Sun next The exterior of Saturn’s rings Dwarfs

24. 6. Where do Neutrinos come from? HINT 1 2 3 4 5 6 7 8 9 10 Exit Incorrect Neutrinos are those unseeable things that are “missing” detection. next back

25. Comes from same place you get your light… 1 2 3 4 5 6 7 8 9 10 Exit back

26. 7. A Protostar is a… HINT 1 2 3 4 5 6 7 8 9 10 Exit A gas nebula of stars A cloud of dust and gas destined to be a star A cluster of collapsing star A means of becoming a Hollywood star

27. 7. A Protostar is a… HINT 1 2 3 4 5 6 7 8 9 10 Exit Correct! A gas nebula of stars A cloud of dust and gas destined to be a star next A cluster of collapsing star A means of becoming a Hollywood star

28. 7. A Protostar is a… HINT 1 2 3 4 5 6 7 8 9 10 Exit Incorrect A protostar is destined to be a star next back

29. “Proto” mean first in Greek 1 2 3 4 5 6 7 8 9 10 Exit back

30. 8. Interstellar Reddening occurs when… HINT 1 2 3 4 5 6 7 8 9 10 Exit Stars explode A dense cloud of gas and dust block stars A hot star excites nearby gas Dust scatters blue light

31. 8. Interstellar Reddening occurs when… HINT 1 2 3 4 5 6 7 8 9 10 Exit Correct! Stars explode A dense cloud of gas and dust block stars next A hot star excites nearby gas Dust scatters blue light

32. 8. Interstellar Reddening occurs when… HINT 1 2 3 4 5 6 7 8 9 10 Exit Incorrect In between stars there is dust and that dust scatters the blue light and in effect makes everything appear red. next back

33. There is no blue light… 1 2 3 4 5 6 7 8 9 10 Exit back

34. 9. Emission Nebula occurs when… HINT 1 2 3 4 5 6 7 8 9 10 Exit Stars explode A dense cloud of gas and dust block stars A hot star excites nearby gas Dust scatters blue light

35. 9. Emission Nebula occurs when… HINT 1 2 3 4 5 6 7 8 9 10 Exit Correct! Stars explode A dense cloud of gas and dust block stars next A hot star excites nearby gas Dust scatters blue light

36. 9. Emission Nebula occurs when… HINT 1 2 3 4 5 6 7 8 9 10 Exit Incorrect A hot star excites nearby gas and emits photons next back

37. Heat makes atoms excited and emit photons 1 2 3 4 5 6 7 8 9 10 Exit back

38. 10. Dark Nebula occurs when… HINT 1 2 3 4 5 6 7 8 9 10 Exit Stars explode A dense cloud of gas and dust block stars A hot star excites nearby gas Dust scatters blue light

39. 10. Dark Nebula occurs when… HINT 1 2 3 4 5 6 7 8 9 10 Exit Correct! Stars explode A dense cloud of gas and dust block stars next A hot star excites nearby gas Dust scatters blue light

40. 10. Dark Nebula occurs when… HINT 1 2 3 4 5 6 7 8 9 10 Exit Incorrect A Dark Nebula is a dense cloud of gas and dust blocking stars. next back

41. “Dark” implies something is being obscured… 1 2 3 4 5 6 7 8 9 10 Exit back

42. TRY AGAIN EXIT